{"id":23821,"date":"2026-05-11T07:48:17","date_gmt":"2026-05-10T22:48:17","guid":{"rendered":"https:\/\/club.informatix.co.jp\/?p=23821"},"modified":"2026-05-12T11:17:59","modified_gmt":"2026-05-12T02:17:59","slug":"%e5%9c%b0%e7%90%83%e3%81%a8%e6%95%b0%e5%ad%a6%ef%bd%9c%e3%83%a1%e3%83%ab%e3%82%ab%e3%83%88%e3%83%ab%e5%9b%b3%e6%b3%95%e3%82%92%e6%8e%a2%e3%82%8b-%e3%81%9d%e3%81%ae4-%e3%82%b0%e3%83%bc%e3%83%87","status":"publish","type":"post","link":"https:\/\/club.informatix.co.jp\/?p=23821","title":{"rendered":"\u5730\u7403\u3068\u6570\u5b66\uff5c\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3092\u63a2\u308b \u305d\u306e4 - \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter wp-image-23904\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-1.jpg\" alt=\"\" width=\"600\" height=\"375\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-1.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-1-300x188.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-1-768x480.jpg 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n<\/p>\n<p><a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u306f\u30011.\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u2500\u2500\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306b\u304a\u3051\u308b\u7def\u5ea6\u306e\u9593\u9694\u306e\u8b0e\u89e3\u304d\u2500\u2500\u306e\u8a08\u7b97\u30682.\u300c\u53cc\u66f2\u7dda\u95a2\u6570\u306e\u516c\u5f0f\u300d\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3057\u305f\u3002\u3053\u308c\u30673.\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u304c\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u8a9e\u308b\u6e96\u5099\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li><strong>\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u306e\u8a08\u7b97<\/strong><\/li>\n<li><strong>\u53cc\u66f2\u7dda\u95a2\u6570\uff1a\u5b9a\u7a4d\u5206\u3068\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u95a2\u4fc2\u3092\u8a9e\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6570\u5b66<\/strong><\/li>\n<li><strong>\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570<\/strong><\/li>\n<li><strong>\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u691c\u8a3c\uff1a\u5730\u56f3\u306e\u5b9f\u6e2c\u5024\u3068\u7406\u8ad6\u5024\u306e\u6bd4\u8f03<\/strong><\/li>\n<\/ol>\n<div 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href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-2_%E3%82%AF%E3%83%AA%E3%82%B9%E3%83%88%E3%83%95%E3%83%BB%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3\" >3-2. \u30af\u30ea\u30b9\u30c8\u30d5\u30fb\u30b0\u30fc\u30c7\u30eb\u30de\u30f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-3_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%81%8C%E8%A1%A8%E3%81%99%E3%82%82%E3%81%AE\" >3-3. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u304c\u8868\u3059\u3082\u306e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-4_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE1\" >3-4. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-5_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE2\" >3-5. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-6_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE3\" >3-6. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#3-7_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%81%AE%E9%80%86%E9%96%A2%E6%95%B0\" >3-7. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#4_%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB%E5%9B%B3%E6%B3%95%E3%81%AE%E6%A4%9C%E8%A8%BC%EF%BC%9A%E5%9C%B0%E5%9B%B3%E3%81%AE%E5%AE%9F%E6%B8%AC%E5%80%A4%E3%81%A8%E7%90%86%E8%AB%96%E5%80%A4%E3%81%AE%E6%AF%94%E8%BC%83\" >4. \u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u691c\u8a3c\uff1a\u5730\u56f3\u306e\u5b9f\u6e2c\u5024\u3068\u7406\u8ad6\u5024\u306e\u6bd4\u8f03<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#4-1_%E3%82%B2%E3%83%A9%E3%83%AB%E3%83%89%E3%82%A5%E3%82%B9%E3%83%BB%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB\" >4-1. \u30b2\u30e9\u30eb\u30c9\u30a5\u30b9\u30fb\u30e1\u30eb\u30ab\u30c8\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/club.informatix.co.jp\/?p=23821\/#4-2_%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB%E5%9B%B3%E6%B3%95%E3%81%AE%E6%A4%9C%E8%A8%BC\" >4-2. \u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u691c\u8a3c<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"3_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0\"><\/span>3. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"3-1_%E5%90%8D%E5%89%8D%E3%81%AE%E7%94%B1%E6%9D%A5\"><\/span>3-1. \u540d\u524d\u306e\u7531\u6765<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23832\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-2.jpg\" alt=\"\" width=\"300\" height=\"47\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-2.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-2-300x47.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-2-768x120.jpg 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u53cc\u66f2\u7dda\u95a2\u6570cosh\uff08hyperbolic cosine\u3001\u30cf\u30a4\u30d1\u30dc\u30ea\u30c3\u30af\u30b3\u30b5\u30a4\u30f3\u3001\u53cc\u66f2\u7dda\u4f59\u5f26\u95a2\u6570\uff09\u306e\u9006\u6570\u306e\u5b9a\u7a4d\u5206\u304c\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3067\u3059\u3002\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306f1760\u5e74\u4ee3\u306b\u53cc\u66f2\u7dda\u95a2\u6570\u3068\u540c\u6642\u671f\u306b\u30e9\u30f3\u30d9\u30eb\u30c8\u306b\u3088\u3063\u3066\u7d39\u4ecb\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>1761\u5e74\u306b\u5186\u5468\u7387\u306e\u7121\u7406\u6570\u6027\u3092\u8a3c\u660e\u3057\u305f\u3053\u3068\u3067\u77e5\u3089\u308c\u308b\u30c9\u30a4\u30c4\u306e\u6570\u5b66\u8005\u30fb\u7269\u7406\u5b66\u8005\u30e8\u30cf\u30f3\u30fb\u30cf\u30a4\u30f3\u30ea\u30d2\u30fb\u30e9\u30f3\u30d9\u30eb\u30c8\uff081728-1777\uff09\u306f\u30011772\u5e74\u306b\u5730\u56f3\u6295\u5f71\u6cd5\u3092\u8003\u6848\u3057\u307e\u3057\u305f\u3002\u305d\u308c\u304c\u3001\u6a2a\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u30fb\u30e9\u30f3\u30d9\u30eb\u30c8\u6b63\u7a4d\u65b9\u4f4d\u56f3\u6cd5\u30fb\u30e9\u30f3\u30d9\u30eb\u30c8\u6b63\u89d2\u5186\u9310\u56f3\u6cd5\u30fb\u30e9\u30f3\u30d9\u30eb\u30c8\u6b63\u7a4d\u5186\u7b52\u56f3\u6cd5\u30fb\u30e9\u30f3\u30d9\u30eb\u30c8\u6b63\u7a4d\u5186\u9310\u56f3\u6cd5\u3067\u3059\u3002\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306f\u3001\u30e9\u30f3\u30d9\u30eb\u30c8\u306e\u696d\u7e3e\u306b\u3061\u306a\u307f\u3001\u30e9\u30f3\u30d9\u30eb\u30c8\u95a2\u6570\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5f8c\u306b\u300c\u30b1\u30a4\u30ea\u30fc\u30fb\u30cf\u30df\u30eb\u30c8\u30f3\u306e\u5b9a\u7406\u300d\u3067\u77e5\u3089\u308c\u308b\u30a4\u30ae\u30ea\u30b9\u306e\u5f01\u8b77\u58eb\u30fb\u6570\u5b66\u8005\u30a2\u30fc\u30b5\u30fc\u30fb\u30b1\u30a4\u30ea\u30fc\uff081821-1895\uff09\u306b\u3088\u3063\u3066\u3001\u30e9\u30f3\u30d9\u30eb\u30c8\u306b\u3088\u308b\u3053\u306e\u95a2\u6570\u306f\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3068\u540d\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-2_%E3%82%AF%E3%83%AA%E3%82%B9%E3%83%88%E3%83%95%E3%83%BB%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3\"><\/span>3-2. \u30af\u30ea\u30b9\u30c8\u30d5\u30fb\u30b0\u30fc\u30c7\u30eb\u30de\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30af\u30ea\u30b9\u30c8\u30d5\u30fb\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\uff081798\u20131852\uff09\u306f\u30c9\u30a4\u30c4\u306e\u6570\u5b66\u8005\u3067\u3059\u3002\u30ab\u30fc\u30eb\u30fb\u30ef\u30a4\u30a8\u30eb\u30b7\u30e5\u30c8\u30e9\u30b9\uff081815\u20131897\uff09\u306e\u5e2b\u3068\u3057\u3066\u3082\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u306b\u3088\u308b\u6955\u5186\u95a2\u6570\u306e\u7814\u7a76\u306f\u3001\u30ef\u30a4\u30a8\u30eb\u30b7\u30e5\u30c8\u30e9\u30b9\u306e\u7814\u7a76\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e09\u89d2\u95a2\u6570\u3068\u53cc\u66f2\u7dda\u95a2\u6570\u306e\u95a2\u4fc2\u306e\u91cd\u8981\u6027\u3092\u3044\u3061\u65e9\u304f\u8aac\u304d\u306a\u304c\u3089\u300154\u6b73\u306e\u82e5\u3055\u3067\u3053\u306e\u4e16\u3092\u53bb\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u95a2\u6570\u306f\u5f7c\u306e\u540d\u306b\u3061\u306a\u3093\u3067\u3001\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4e09\u89d2\u95a2\u6570\u3068\u9006\u4e09\u89d2\u95a2\u6570\u306e\u8a08\u7b97\u3092\u898b\u308c\u3070\u3001\u305d\u306e\u3053\u3068\u306b\u7d0d\u5f97\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-3_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%81%8C%E8%A1%A8%E3%81%99%E3%82%82%E3%81%AE\"><\/span>3-3. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u304c\u8868\u3059\u3082\u306e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\uff08gd<sup>-1<\/sup>\uff09\u306f\u3001\u3053\u308c\u307e\u3067\u8aac\u660e\u3057\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u7def\u5ea6\u03c6[rad]\u3092\u5165\u529b\u3059\u308b\u3068\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u4e0a\u306e\u8d64\u9053\u304b\u3089\u306e\u8ddd\u96e2\u304c\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u306e\u9006\u95a2\u6570\u3067\u3042\u308b\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\uff08gd\uff09\u306f\u3001\u56f3\u6cd5\u4e0a\u306e\u8ddd\u96e2\u3092\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u5bfe\u5fdc\u3059\u308b\u5b9f\u969b\u306e\u7def\u5ea6\u03c6[rad]\u3092\u5c0e\u304d\u51fa\u3059\u95a2\u6570\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-23833\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-3.jpg\" alt=\"\" width=\"1000\" height=\"120\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-3.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-3-300x36.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-3-768x92.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-4_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE1\"><\/span>3-4. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u5b9a\u7a4d\u5206\u3092\u8a08\u7b97\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c\u5b9a\u7a4d\u5206\u8a08\u7b97\u305d\u306e1\u300d\u306f\u88ab\u7a4d\u5206\u95a2\u6570\u306ecosh\u3092\u3001<a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u7d39\u4ecb\u3057\u305f\u300c\u53cc\u66f2\u7dda\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u8868\u793a\u300d\u306e\u5f0f\u306b\u7f6e\u304d\u63db\u3048\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u306e\u7f6e\u304d\u63db\u3048\u306b\u3088\u308a\u3001cosh\u306f\u6307\u6570\u95a2\u6570\u306e\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u6307\u6570\u95a2\u6570\u3092s\u3068\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3001\u88ab\u7a4d\u5206\u95a2\u6570\u306fs\u306e\u6709\u7406\u5f0f\uff08\u5206\u6570\u306e\u5f62\uff09\u3078\u3068\u5909\u5f62\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u4e0d\u5b9a\u7a4d\u5206\u306f\u516c\u5f0f\u2605\u306b\u3088\u308atan\u306e\u9006\u95a2\u6570arctan\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u306f\u305f\u3057\u3066\u3001\u5b9a\u7a4d\u5206\u306f\u6307\u6570\u95a2\u6570\u3092\u7528\u3044\u305f\u5f62\uff08\u8d64\u306e\u56db\u89d2\u56f2\u307f\uff09\u3068\u3057\u3066\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23834\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-4.jpg\" alt=\"\" width=\"600\" height=\"389\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-4.jpg 965w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-4-300x194.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-4-768x497.jpg 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-5_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE2\"><\/span>3-5. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300c\u5b9a\u7a4d\u5206\u8a08\u7b97\u305d\u306e2\u300d\u306f\u3001\u88ab\u7a4d\u5206\u95a2\u6570\u306ecosh x\u3092t=tanh x\/2\u3067\u8868\u3059\u65b9\u6cd5\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u306e\u53cc\u66f2\u7dda\u95a2\u6570\u3067\u7d39\u4ecb\u3057\u305f\u516c\u5f0f\u2606\u3092\u4f7f\u3044\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u88ab\u7a4d\u5206\u95a2\u6570\u306ft\u306e\u6709\u7406\u5f0f\u3078\u3068\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001\u4e0d\u5b9a\u7a4d\u5206\u306f\u305d\u306e1\u3068\u540c\u3058\u516c\u5f0f\u2605\u306b\u3088\u308atan\u306e\u9006\u95a2\u6570arctan\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5b9a\u7a4d\u5206\u306ftanh x\/2\u3092\u7528\u3044\u305f\u5f62\uff08\u9752\u306e\u56db\u89d2\u56f2\u307f\uff09\u3068\u3057\u3066\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23835\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-5.jpg\" alt=\"\" width=\"800\" height=\"500\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-5.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-5-300x188.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-5-768x480.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-6_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%80%80%E5%AE%9A%E7%A9%8D%E5%88%86%E3%81%AE%E8%A8%88%E7%AE%97%E3%81%9D%E3%81%AE3\"><\/span>3-6. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3000\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300c\u5b9a\u7a4d\u5206\u8a08\u7b97\u305d\u306e3\u300d\u306f\u3001\u305d\u306e2\u306e\u7d50\u679c\uff08\u9752\u306e\u56db\u89d2\u56f2\u307f\uff09\u3092\u5909\u5f62\u3057\u305f\u3082\u306e\u3067\u3059\u3002y=\uff08\u9752\u306e\u56db\u89d2\u56f2\u307f\uff09\u3068\u304a\u304f\u3053\u3068\u3067\u3001arctan\u306e\u5f15\u6570\u3067\u3042\u308btanh x\/2\uff08=tan y\/2\uff09\u3092\u8868\u306b\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3059\u308b\u3068\u3001<a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u306e\u4e09\u89d2\u95a2\u6570\u306e2\u500d\u89d2\u306e\u516c\u5f0f\u3088\u308a\u3001tan y\u306ftan y\/2\u3092\u7528\u3044\u3066\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306etan y\/2\u3092tanh x\/2\u306b\u7f6e\u304d\u63db\u3048\u305f\u5f0f\u306f\u3001\u516c\u5f0f\u25ce\u3088\u308asinh x\u3068\u7b49\u3057\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u306f\u305f\u3057\u3066\u3001\u4e21\u8fba\u306earctan\u3092\u3068\u308b\u3053\u3068\u3067\u305d\u306e2\u306e\u7d50\u679c\u306fsinh\u306e\u5f0f\uff08\u7dd1\u306e\u56db\u89d2\u56f2\u307f\uff09\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23836\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-6.jpg\" alt=\"\" width=\"800\" height=\"500\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-6.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-6-300x188.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-6-768x480.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u5b9a\u7a4d\u5206\u306f3\u901a\u308a\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-7_%E3%82%B0%E3%83%BC%E3%83%87%E3%83%AB%E3%83%9E%E3%83%B3%E9%96%A2%E6%95%B0%E3%81%AE%E9%80%86%E9%96%A2%E6%95%B0\"><\/span>3-7. \u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u308c\u3067\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u304c\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u8a9e\u308b\u6e96\u5099\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u5b9a\u7a4d\u5206\u306e\u8a08\u7b97\u305d\u306e3\uff08\u7dd1\u306e\u56db\u89d2\u56f2\u307f\uff09\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u5f0fgd x = arctan(sinh x) \u304b\u3089\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\u3092\u6c42\u3081\u307e\u3059\u3002\u307e\u305a\u3001\u4e21\u8fba\u306etan\u3092\u3068\u308a\u3001tan(gd x)=sinh x\u3068\u3057\u307e\u3059\u3002y=gd x\u3068\u304a\u3051\u3070\u3001tan y=sinh x\u3068\u306a\u308b\u306e\u3067\u3001\u4e21\u8fba\u306earsinh\u3092\u3068\u3063\u3066\u3001arsinh(tan y)=x\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306fx\u3092y\u306e\u95a2\u6570\u3068\u3057\u3066\u8868\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u9006\u95a2\u6570\u305d\u306e\u3082\u306e\u3067\u3059\u3002x\u3068y\u3092\u5165\u308c\u66ff\u3048\u308c\u3070\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\u306e\u5b8c\u6210\u3067\u3059\u3002\u8a08\u7b97\u3092\u7d9a\u3051\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u306b\u7d39\u4ecb\u3057\u305f\u53cc\u66f2\u7dda\u95a2\u6570\u306e\u9006\u95a2\u6570\uff08\u9006\u53cc\u66f2\u7dda\u95a2\u6570\uff09arsinh\u306e\u5f0f\u306b\u3088\u308a\u3001\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\u306flog\u306e\u5f0f\u306b\u5909\u5f62\u3055\u308c\u307e\u3059\u3002log\u306e\u5f15\u6570\uff08\u4e09\u89d2\u95a2\u6570\u306e\u5f0f\uff09\u3092\u5909\u5f62\u3057\u3066\u3044\u304f\u3068\u3001\u30d4\u30f3\u30af\u306e\u56db\u89d2\u56f2\u307f\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-23837\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-7.jpg\" alt=\"\" width=\"993\" height=\"625\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-7.jpg 993w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-7-300x189.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-7-768x483.jpg 768w\" sizes=\"(max-width: 993px) 100vw, 993px\" \/><\/p>\n<p>\u6b21\u306b\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/club.informatix.co.jp\/?p=23652\" target=\"_blank\" rel=\"noopener\">\u524d\u56de<\/a>\u8a08\u7b97\u3057\u305f\u4e0d\u5b9a\u7a4d\u5206\u306e\u5f0f\u5909\u5f62\u306e\u4e2d\u306b\u9752\u306e\u56db\u89d2\u56f2\u307f\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u7528\u3044\u3066\u5f97\u3089\u308c\u308b\u5b9a\u7a4d\u5206\u306e\u7d50\u679c\u304c3-7\u306e\u30d4\u30f3\u30af\u306e\u56db\u89d2\u56f2\u307f\u306e\u5f0f\u3068\u7b49\u3057\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u3067\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u306f\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u306e\u9006\u95a2\u6570\uff08\u9006\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\uff09\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23838\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-8.jpg\" alt=\"\" width=\"800\" height=\"518\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-8.jpg 932w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-8-300x194.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-8-768x498.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB%E5%9B%B3%E6%B3%95%E3%81%AE%E6%A4%9C%E8%A8%BC%EF%BC%9A%E5%9C%B0%E5%9B%B3%E3%81%AE%E5%AE%9F%E6%B8%AC%E5%80%A4%E3%81%A8%E7%90%86%E8%AB%96%E5%80%A4%E3%81%AE%E6%AF%94%E8%BC%83\"><\/span>4. \u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u691c\u8a3c\uff1a\u5730\u56f3\u306e\u5b9f\u6e2c\u5024\u3068\u7406\u8ad6\u5024\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"4-1_%E3%82%B2%E3%83%A9%E3%83%AB%E3%83%89%E3%82%A5%E3%82%B9%E3%83%BB%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB\"><\/span>4-1. \u30b2\u30e9\u30eb\u30c9\u30a5\u30b9\u30fb\u30e1\u30eb\u30ab\u30c8\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30e1\u30eb\u30ab\u30c8\u30eb\u304c\u751f\u304d\u305f16\u4e16\u7d00\u306b\u306f\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u4e09\u89d2\u95a2\u6570\u30fb\u53cc\u66f2\u7dda\u95a2\u6570\u306e\u5fae\u5206\u7a4d\u5206\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u3093\u306a\u4e2d\u3067\u30e1\u30eb\u30ab\u30c8\u30eb\u304c\u3053\u306e\u56f3\u6cd5\u3092\u4f5c\u308a\u3042\u3052\u305f\u3053\u3068\u306b\u9a5a\u304b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b2\u30e9\u30eb\u30c9\u30a5\u30b9\u30fb\u30e1\u30eb\u30ab\u30c8\u30eb\uff081512-1594\uff09\u306f\u3001\u73fe\u30d9\u30eb\u30ae\u30fc\u751f\u307e\u308c\u306e\u5730\u7406\u5b66\u8005\u3067\u3059\u3002\u5927\u5b66\u3067\u5e7e\u4f55\u5b66\u30fb\u5929\u6587\u5b66\u30fb\u5730\u7406\u5b66\u3092\u5b66\u3073\u3001\u6570\u5b66\u8005\u30b2\u30f3\u30de\u30fb\u30d5\u30ea\u30b7\u30a6\u30b9\uff081508-1555\uff09\u3068\u5171\u306b\u3001\u5730\u7403\u5100\u30fb\u65e5\u6642\u8a08\u30fb\u30a2\u30b9\u30c8\u30ed\u30e9\u30fc\u30d9\u306a\u3069\u3092\u88fd\u4f5c\u3057\u6210\u529f\u3092\u53ce\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>1569\u5e74\u300157\u6b73\u306e\u30e1\u30eb\u30ab\u30c8\u30eb\u306f\u30e1\u30eb\u30ab\u30c8\u30eb\u306e\u540d\u3092\u4e0d\u673d\u306a\u3089\u3057\u3081\u305f\u4e16\u754c\u5730\u56f3\u300cNova et Aucta Orbis Terrae Descriptio ad Usum Navigantium Emendata\u300d\uff08\u8239\u4e57\u308a\u306e\u4f7f\u7528\u306e\u305f\u3081\u306b\u4fee\u6b63\u3055\u308c\u305f\u5730\u7403\u306e\u65b0\u3057\u3044\u62e1\u5f35\u8a18\u8ff0\uff09\u3092\u5b8c\u6210\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u4e0a\u306e\u8d64\u9053\u304b\u3089\u7def\u5ea6\u03c6\u307e\u3067\u306e\u8ddd\u96e2\uff08\u7def\u7dda\u8ddd\u96e2\uff09\u306e\u7b97\u51fa\u3092\u30e1\u30eb\u30ab\u30c8\u30eb\u306f\u3044\u304b\u306b\u3057\u3066\u884c\u3063\u305f\u306e\u304b\u3002\u6b8b\u5ff5\u306a\u304c\u3089\u30e1\u30eb\u30ab\u30c8\u30eb\u81ea\u8eab\u306f\u8a08\u7b97\u306e\u8a73\u7d30\u3092\u6b8b\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u3053\u306b\u306f\u30e1\u30eb\u30ab\u30c8\u30eb\u3088\u308a10\u5e74\u524d\u306b\u751f\u307e\u308c\u305f\u30dd\u30fc\u30e9\u30f3\u30c9\u306e\u6570\u5b66\u8005\u30da\u30c9\u30ed\u30fb\u30cc\u30cd\u30b7\u30e5\uff081502-1578\uff09\u2500\u2500\u7b49\u89d2\u822a\u8def\u306e\u6700\u521d\u306e\u63d0\u6848\u8005\u2500\u2500\u306e\u5b58\u5728\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u30e1\u30eb\u30ab\u30c8\u30eb\u306f\u30cc\u30cd\u30b7\u30e5\u306e\u7d50\u679c\u3092\u5927\u3044\u306b\u53c2\u8003\u306b\u3057\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306e\u7d1a\u6570\u5c55\u958b\u306f\u30cf\u30ec\u30fc\u5f57\u661f\u3067\u77e5\u3089\u308c\u308b\u30a8\u30c9\u30e2\u30f3\u30c9\u30fb\u30cf\u30ec\u30fc\u304c1696\u5e74\u306b\u767a\u8868\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23839\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-9.jpg\" alt=\"\" width=\"500\" height=\"52\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-9.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-9-300x31.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-9-768x80.jpg 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>16\u4e16\u7d00\u306f\u3001\u6d77\u4e0a\u3067\u7d4c\u5ea6\u6e2c\u5b9a\u304c\u4e0d\u53ef\u80fd\u3060\u3063\u305f\u3053\u3068\u3068\u65b9\u4f4d\u78c1\u91dd\u306b\u3088\u308b\u89d2\u5ea6\u6e2c\u5b9a\u306b\u3088\u308a\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u7b49\u89d2\u822a\u6cd5\u306f\u5b9f\u969b\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u822a\u6d77\u7528\u30af\u30ed\u30ce\u30e1\u30fc\u30bf\u30fc\u3068\u78c1\u6c17\u504f\u89d2\u306e\u7a7a\u9593\u5206\u5e03\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f18\u4e16\u7d00\u534a\u3070\u306b\u306a\u3063\u3066\u521d\u3081\u3066\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306f\u822a\u6d77\u58eb\u306b\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-2_%E3%83%A1%E3%83%AB%E3%82%AB%E3%83%88%E3%83%AB%E5%9B%B3%E6%B3%95%E3%81%AE%E6%A4%9C%E8%A8%BC\"><\/span>4-2. \u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u691c\u8a3c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6642\u4ee3\u3092\u306f\u308b\u304b\u306b\u5148\u53d6\u308a\u3057\u3066\u3044\u305f\u306e\u304c\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3060\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u6700\u5f8c\u306b\u6b63\u8ddd\u5186\u7b52\u56f3\u6cd5\u3068\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3092\u7528\u3044\u3066\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u7cbe\u5ea6\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002\u5730\u7403\u306e\u534a\u5f84\u30921\u3068\u3057\u3066\u3001PC\u4e0a\u306e\u56f3\u306e\u8ddd\u96e2\u3092\u30dd\u30a4\u30f3\u30c8\uff08pt\uff09\u3067\u6e2c\u308a\u307e\u3059\u3002<\/p>\n<p>\u8d64\u9053\u304b\u3089\u7def\u5ea680\u00b0\u306e\u7def\u7dda\u307e\u3067\u306e\u8ddd\u96e2\u306f\u3001\u6b63\u8ddd\u5186\u7b52\u56f3\u6cd5\u3067\u306f214pt\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3067\u306f373pt\u306a\u306e\u3067\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u5024\u3092\u6b63\u8ddd\u5186\u7b52\u56f3\u6cd5\u3067\u5272\u308b\u3068\u3001\u305d\u306e\u6bd4\u306f373\/214\uff1d1.74\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u5b9f\u969b\u306e\u5730\u7403\u4e0a\u306e\u8d64\u9053\u304b\u3089\u7def\u5ea680\u00b0\u306e\u7def\u7dda\u307e\u3067\u306e\u8ddd\u96e2\u306f80\/180\u00d7\u03c0\uff1d1.39\u2026[rad]\u3001\u305d\u3057\u3066\u300c1\/cos\u03b8\u306e\u5b9a\u7a4d\u5206\u300d\u306e\u5024\u306f2.43\u2026\u3068\u8a08\u7b97\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u6bd4\u306f2.43\/1.39\uff1d1.74\u2026\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u5730\u56f3\u4e0a\u306e\u5b9f\u6e2c\u5024\u306e\u6bd4\u3068\u7406\u8ad6\u5024\u306e\u6bd4\u304c\u4e00\u81f4\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23851\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11.jpg\" alt=\"\" width=\"600\" height=\"375\" srcset=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11.jpg 1000w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-300x188.jpg 300w, https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2026\/05\/20260507-11-768x480.jpg 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><div class=\"freebox has-title \" style=\"\"><p class=\"p-free\" style=\"font-weight:bold;\"><span class=\"p-entry-f\" style=\"font-weight:bold;\">\u30a4\u30f3\u30d5\u30a9\u30de\u30c6\u30a3\u30af\u30b9\u304b\u3089\u306e\u304a\u77e5\u3089\u305b<\/span><\/p><div class=\"free-inbox\"><\/div><\/div>\u7a7a\u9593\u60c5\u5831\u30af\u30e9\u30d6\u7de8\u96c6\u90e8\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30b3\u30e9\u30e0\u3067\u306f\u3001\u30b0\u30fc\u30c7\u30eb\u30de\u30f3\u95a2\u6570\u3092\u7528\u3044\u3066\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u306e\u7406\u8ad6\u5024\u3092\u691c\u8a3c\u3057\u3001\u5730\u56f3\u4e0a\u306e\u5b9f\u6e2c\u5024\u304c\u3044\u304b\u306b\u7dfb\u5bc6\u306a\u8a08\u7b97\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u304b\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u5730\u56f3\u6295\u5f71\u6cd5\u306f\u5358\u306a\u308b\u63cf\u753b\u306e\u4ed5\u7d44\u307f\u3067\u306f\u306a\u304f\u30013\u6b21\u5143\u306e\u5730\u7403\u30922\u6b21\u5143\u3067\u6b63\u3057\u304f\u6271\u3046\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u6570\u7406\u30e2\u30c7\u30eb\u3067\u3059\u3002\u6295\u5f71\u6cd5\u3078\u306e\u7406\u89e3\u306f\u3001GIS\uff08\u5730\u7406\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\uff09\u306e\u5b9f\u52d9\u306b\u304a\u3044\u3066\u3082\u91cd\u8981\u306a\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5f53\u793e\u3067\u306f\u3001GIS\u306e\u6280\u8853\u3092\u30d9\u30fc\u30b9\u306b\u884c\u653f\u30fb\u30a4\u30f3\u30d5\u30e9\u30fb\u9632\u707d\u306a\u3069\u5e45\u5e83\u3044\u5206\u91ce\u306b\u5411\u3051\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>GIS\u306e\u5177\u4f53\u7684\u306a\u5c0e\u5165\u4e8b\u4f8b\u3084\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u306f\u3001<a href=\"https:\/\/www.informatix.co.jp\/solution\/\" target=\"_blank\" rel=\"noopener\">\u88fd\u54c1\u30fb\u30b5\u30fc\u30d3\u30b9\u7d39\u4ecb\u30da\u30fc\u30b8<\/a>\u306b\u3066\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u7a7a\u9593\u60c5\u5831\u306e\u6d3b\u7528\u3092\u901a\u3058\u305f\u696d\u52d9\u6539\u5584\u3084\u52b9\u7387\u5316\u3092\u304a\u8003\u3048\u306e\u969b\u306f\u3001\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"st-header-flexwrap\" style=\"height:auto;width:100%;box-sizing:border-box;background-color:#efefef;border-radius: 5px;border: solid #ccc 1px;padding:20px;margin-bottom:0px;\"><div class=\"st-header-flexbox\"><p class=\"st-header-flextitle\" 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