{"id":5152,"date":"2024-12-26T20:30:53","date_gmt":"2024-12-26T11:30:53","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5152"},"modified":"2026-03-09T17:44:38","modified_gmt":"2026-03-09T08:44:38","slug":"%e4%b8%89%e8%a7%92%e6%af%94%e3%81%ae%e5%9f%ba%e6%9c%ac%e5%85%ac%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5152","title":{"rendered":"\u4e09\u89d2\u6bd4\u306e\u57fa\u672c\u516c\u5f0f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u516c\u5f0f\u306e\u7d39\u4ecb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3\u3064\u306e\u57fa\u672c\u516c\u5f0f<\/h3>\n\n\n\n<p>\u540c\u3058\u89d2 $\\theta$ \u306b\u3064\u3044\u3066\u306e\u4e09\u89d2\u6bd4 $\\sin\\theta,\\ \\cos\\theta,\\ \\tan\\theta$ \u306e\u9593\u306b\u306f\uff0c\u5e38\u306b\u6210\u308a\u7acb\u3064\u6b21\u306e\u95a2\u4fc2\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e3\u516c\u5f0f\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u306e\u3067\uff0c\u7d76\u5bfe\u306b\u899a\u3048\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u4e09\u89d2\u6bd4\u306e\u57fa\u672c\u516c\u5f0f<\/p><div class=\"st-in-mybox\">\n<p>\u540c\u3058\u89d2 $\\theta$ \u306b\u3064\u3044\u3066\uff0c\u5e38\u306b\u4ee5\u4e0b\u306e\u5f0f\u304c\u6210\u308a\u7acb\u3064\u3002<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">$$\\begin{aligned}\\stext{\u2460}&amp;\\ \\sin^2\\theta+\\cos^2\\theta=1\\\\\\stext{\u2461}&amp;\\tan\\theta=\\Bun{\\sin\\theta}{\\cos\\theta}\\\\\\stext{\u2462}&amp;\\tan^2\\theta+1=\\bun{1}{\\cos^2\\theta}\\end{aligned}$$<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c0e\u51fa<\/h3>\n\n\n\n<p>\u2461\u306e\u5f0f\u306f\uff0c\u305d\u3082\u305d\u3082\u306e\u5b9a\u7fa9\u3067\u3042\u308b<\/p>\n\n\n\n<p>$$\\sin\\theta=\\Bun{y}{r},\\ \\cos\\theta=\\bun{x}{r},\\ \\tan\\theta=\\bun{y}{x}$$\u304b\u3089\u901f\u3084\u304b\u306b\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u2460\u306e\u5f0f\u306f\uff0c\u4e0a\u306e\u5b9a\u7fa9\u306b\u52a0\u3048\uff0c<\/p>\n\n\n\n<p>$$x^2+y^2=r^2$$\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u3092\u8e0f\u307e\u3048\u308b\u3068\u5c0e\u3051\u307e\u3059\u306d\u3002\u2462\u306e\u5f0f\u306f\uff0c\u2460\u3068\u2461\u306e\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f0f\u304c\u610f\u5473\u3059\u308b\u3082\u306e<\/h3>\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>\u4eca\u56de\u7d39\u4ecb\u3057\u305f3\u3064\u306e\u5f0f\u304c\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u308a\u307e\u3059\u304b\u2026\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>$\\sin\\theta,\\ \\cos\\theta,\\ \\tan\\theta$ \u306e\u3046\u3061\uff0c1\u3064\u304c\u308f\u304b\u308c\u3070\u6b8b\u308a2\u3064\u3092\u8a08\u7b97\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br><br>\u305f\u3068\u3048\u3070\uff0c$\\sin\\theta=\\Bun23$ \u306e\u3068\u304d\uff0c$\\cos\\theta$ \u306e\u5024\u3092\u6c42\u3081\u308b\u3068\u3057\u307e\u3059\u3002\u3082\u3057\uff0c$\\theta$ \u306e\u5024\u304c\u6c42\u3081\u3089\u308c\u308b\u306e\u3067\u3042\u308c\u3070\uff0c$\\cos\\theta$ \u3092\u6c42\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff0c\u5148\u306b\u89e6\u308c\u305f\u3088\u3046\u306b\uff0c\u6709\u540d\u89d2\uff08$30\\Deg,\\ 45\\Deg,\\ 60\\Deg$ \u306a\u3069\uff09\u3067\u306a\u3051\u308c\u3070\u57fa\u672c\u7684\u306b\u306f\u4e09\u89d2\u6bd4\u3092\u6c42\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u4e0a\u8a18\u306e\u516c\u5f0f\u304c\u3042\u308c\u3070\uff0c$\\theta$ \u3092\u7d4c\u7531\u3059\u308b\u3053\u3068\u306a\u304f\uff0c\u4ed6\u306e\u4e09\u89d2\u6bd4\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>$$\\left(\\Bun23\\right)^2+\\cos^2\\theta=1$$\u304c\u6210\u308a\u7acb\u3064\u3053\u3068\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$\\cos\\theta=\\bun{\\sqrt{5}}{3}$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u516c\u5f0f\u306e\u7d39\u4ecb 3\u3064\u306e\u57fa\u672c\u516c\u5f0f \u540c\u3058\u89d2 $\\theta$ \u306b\u3064\u3044\u3066\u306e\u4e09\u89d2\u6bd4 $\\sin\\theta,\\ \\cos\\theta,\\ \\tan\\theta$ \u306e\u9593\u306b\u306f\uff0c\u5e38\u306b\u6210\u308a\u7acb\u3064\u6b21\u306e\u95a2\u4fc2\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002 \u4ee5\u4e0b &#8230; <\/p>\n","protected":false},"author":1,"featured_media":5144,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,32],"tags":[],"class_list":["post-5152","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\/5152"}],"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=5152"}],"version-history":[{"count":8,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5152\/revisions"}],"predecessor-version":[{"id":5175,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5152\/revisions\/5175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/5144"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}