{"id":5136,"date":"2024-12-26T18:31:11","date_gmt":"2024-12-26T09:31:11","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5136"},"modified":"2026-03-09T17:44:12","modified_gmt":"2026-03-09T08:44:12","slug":"%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%83%bb%e4%b8%8d%e7%ad%89%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5136","title":{"rendered":"\u65b9\u7a0b\u5f0f\u30fb\u4e0d\u7b49\u5f0f"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u4e09\u89d2\u6bd4\u306e\u65b9\u7a0b\u5f0f<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u4e09\u89d2\u6bd4\u306e\u4e0d\u7b49\u5f0f<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u4e09\u89d2\u6bd4\u306e\u65b9\u7a0b\u5f0f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u7a0b\u5f0f\u306e\u89e3\u304d\u65b9<\/h3>\n\n\n\n<p>\u4e09\u89d2\u6bd4\u306e\u6271\u3044\u306b\u3064\u3044\u3066\u6163\u308c\u3066\u304d\u307e\u3057\u305f\u304b\uff1f\u6b21\u306f\u4e09\u89d2\u6bd4\u306e\u300c\u9006\u306e\u8a08\u7b97\u300d\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306f\uff0c\u300c\u89d2\u5ea6\u304c\u4e0e\u3048\u3089\u308c\u3066\u3044\u3066\uff0c\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u4e09\u89d2\u6bd4\u3092\u6c42\u3081\u308b\u300d\u3068\u3044\u3046\u3084\u308a\u65b9\u3067\u3057\u305f\u3002\u4eca\u5ea6\u306f\u305d\u306e\u9006\u3067\uff0c\u300c\u4e0e\u3048\u3089\u308c\u305f\u4e09\u89d2\u6bd4\u304b\u3089\u89d2\u5ea6\u3092\u6c42\u3081\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3044\u308f\u3070\uff0c\u300c\u4e09\u89d2\u6bd4\u306e\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u300d\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\uff0c$\\sin\\theta=\\Bun12$ \u306e\u3068\u304d\u306e $\\theta$ \u306e\u5024\u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>$\\sin$ \u306f\u300c\u5358\u4f4d\u5186\u5468\u4e0a\u306e $y$\u5ea7\u6a19\u300d\u3067\u3057\u305f\u3088\u306d\uff1f\u3064\u307e\u308a\uff0c\u300c$\\sin\\theta=\\Bun12$ \u306e\u3068\u304d\u306e $\\theta$ \u306e\u5024\u3092\u6c42\u3081\u308b\u300d\u3053\u3068\u306f\uff0c\u300c\uff08\u5358\u4f4d\u5186\u5468\u4e0a\u306e\uff09$y$ \u5ea7\u6a19\u304c $\\Bun12$ \u306b\u306a\u308b\u3088\u3046\u306a\u89d2\u5ea6 $\\theta$ \u3092\u6c42\u3081\u308b\u300d\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"184\" height=\"125\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66064.svg\" alt=\"\" class=\"wp-image-5103\"\/><noscript><img decoding=\"async\" width=\"184\" height=\"125\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66064.svg\" alt=\"\" class=\"wp-image-5103\"\/><\/noscript><\/figure>\n\n\n\n<p>\u4e0a\u56f3\u306e\u3088\u3046\u306b\uff0c\u5358\u4f4d\u5186\u5468\u4e0a\u3067 $y$ \u5ea7\u6a19\u304c $\\Bun12$ \u3068\u306a\u308b\u70b9\u306f $\\rmP$\uff0c$\\rmQ$ \u306e2\u7b87\u6240\u306b\u3042\u308a\uff0c\u3053\u306e\u3068\u304d\u306e $\\angle\\rmA\\rmO\\rmP$ \u3068 $\\angle\\rmA\\rmO\\rmQ$ \u304c\u6c42\u3081\u308b $\\theta$ \u306e\u5024\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3067\u306f\uff0c$\\angle\\rmA\\rmO\\rmP$ \u306e\u5024\u306f\u3044\u304f\u3064\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"155\" height=\"106\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66065.svg\" alt=\"\" class=\"wp-image-5104\"\/><noscript><img decoding=\"async\" width=\"155\" height=\"106\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66065.svg\" alt=\"\" class=\"wp-image-5104\"\/><\/noscript><\/figure>\n\n\n\n<p>\u56f3\u306e\u3088\u3046\u306b\uff0c\u70b9 $\\rmP$ \u304b\u3089 $x$ \u8ef8\u306b\u4e0b\u308d\u3057\u305f\u5782\u7dda\u306e\u8db3\u3092 $\\rmH$ \u3068\u3057\u307e\u3059\u3002$\\triangle\\rmP\\rmO\\rmH$ \u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>$\\rmO\\rmP=1,\\ \\rmP\\rmH=\\bun12$ \u3088\u308a\uff0c$\\rmO\\rmP:\\rmP\\rmH=2:1$ \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon3 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u6709\u540d\u4e09\u89d2\u5f62\u3067\u3059\u306d\uff01<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>$1:2:\\sqrt{3}$ \u306e\u4e09\u89d2\u5f62\u3067\u3059\u304b\u3089\uff0c$\\angle\\rmP\\rmO\\rmH$ \u306f $30\\Deg$ \u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3088\u3063\u3066\uff0c$\\angle\\rmA\\rmO\\rmP=30\\Deg,\\ \\angle\\rmA\\rmO\\rmQ=150\\Deg$ \u3068\u306a\u308a\u307e\u3059\u306e\u3067\uff0c\u6c42\u3081\u308b\u7b54\u3048\u306f $\\theta=30\\Deg,\\,150\\Deg$ \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u4e09\u89d2\u6bd4\u306e\u4e0d\u7b49\u5f0f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u7b49\u5f0f\u306e\u89e3\u304d\u65b9<\/h3>\n\n\n\n<p>\u4e09\u89d2\u6bd4\u306b\u304a\u3051\u308b\u4e0d\u7b49\u5f0f\u306e\u6271\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3053\u308c\u3082\u5358\u4f4d\u5186\u3092\u7528\u3044\u308c\u3070\u96e3\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u305f\u3068\u3048\u3070\uff0c$0\\Deg&lt;\\theta&lt;90\\Deg$ \u306e\u3068\u304d\uff0c$\\sin\\theta>\\Bun12$ \u3092\u6e80\u305f\u3059 $\\theta$ \u306e\u7bc4\u56f2\u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"184\" height=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66066.svg\" alt=\"\" class=\"wp-image-5105\"\/><noscript><img decoding=\"async\" width=\"184\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66066.svg\" alt=\"\" class=\"wp-image-5105\"\/><\/noscript><\/figure>\n\n\n\n<p>\u4e0a\u306e\u5358\u4f4d\u5186\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u56f3\u306e\u3088\u3046\u306b\uff0c$\\sin\\theta$\uff08$y$ \u5ea7\u6a19\uff01\uff09\u306e\u5024\u304c $\\Bun12$ \u3088\u308a\u5927\u304d\u304f\u306a\u308b\u306e\u306f\uff0c$\\theta$ \u304c $30\\Deg$ \u3088\u308a\u5927\u304d\u3044\u3068\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$\\sin\\theta>\\bun12\\Leftrightarrow 30\\Deg&lt;\\theta&lt;90\\Deg$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5225\u306e\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<p>\u3067\u306f\uff0c$0\\Deg&lt;\\theta&lt;180\\Deg$ \u306e\u3068\u304d\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"184\" height=\"125\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66067.svg\" alt=\"\" class=\"wp-image-5106\"\/><noscript><img decoding=\"async\" width=\"184\" height=\"125\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66067.svg\" alt=\"\" class=\"wp-image-5106\"\/><\/noscript><\/figure>\n\n\n\n<p>\u4e0a\u56f3\u3092\u898b\u308b\u3068\u308f\u304b\u308b\u901a\u308a\uff0c <\/p>\n\n\n\n<p>$$\\sin\\theta>\\bun12\\Leftrightarrow 30\\Deg&lt;\\theta&lt;150\\Deg$$\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b $\\theta$ \u306e\u7bc4\u56f2\u306b\u3088\u3063\u3066\u7b54\u3048\u306f\u7570\u306a\u308a\u307e\u3059\u304c\uff0c\u8003\u3048\u65b9\u306f\u5168\u304f\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u4e0d\u7b49\u5f0f\u3082\uff0c\u65b9\u7a0b\u5f0f\u3068\u540c\u69d8\u306b\u5358\u4f4d\u5186\u3092\u7528\u3044\u3066\u8003\u3048\u308c\u3070\u4f55\u3082\u96e3\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u4e09\u89d2\u6bd4\u306e\u65b9\u7a0b\u5f0f2 \u4e09\u89d2\u6bd4\u306e\u4e0d\u7b49\u5f0f \u4e09\u89d2\u6bd4\u306e\u65b9\u7a0b\u5f0f \u65b9\u7a0b\u5f0f\u306e\u89e3\u304d\u65b9 \u4e09\u89d2\u6bd4\u306e\u6271\u3044\u306b\u3064\u3044\u3066\u6163\u308c\u3066\u304d\u307e\u3057\u305f\u304b\uff1f\u6b21\u306f\u4e09\u89d2\u6bd4\u306e\u300c\u9006\u306e\u8a08\u7b97\u300d\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002 \u3053\u308c\u307e\u3067\u306f\uff0c\u300c\u89d2\u5ea6\u304c\u4e0e\u3048\u3089\u308c\u3066\u3044\u3066\uff0c\u305d\u308c\u306b &#8230; <\/p>\n","protected":false},"author":1,"featured_media":5143,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,32],"tags":[],"class_list":["post-5136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trigonometry","category-32"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5136"}],"collection":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5136"}],"version-history":[{"count":4,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5136\/revisions"}],"predecessor-version":[{"id":5140,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5136\/revisions\/5140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/5143"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}