{"title":"sec, cosec, cot, crd, versin, haversin, exsec, ...","categories":["\u6570\u5b66"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fall-for-nothing.com%2Fentry%2F2022%2F02%2F03%2F150524\" title=\"sec, cosec, cot, crd, versin, haversin, exsec, ... - \u7a7a\u8ad6\u4e0a\u306e\u7802\u3001\u697c\u95a3\u4e0a\u306e\u673a\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://all-for-nothing.com/entry/2022/02/03/150524","author_url":"https://blog.hatena.ne.jp/all_for_nothing/","width":"100%","blog_title":"\u7a7a\u8ad6\u4e0a\u306e\u7802\u3001\u697c\u95a3\u4e0a\u306e\u673a\u3002","author_name":"all_for_nothing","version":"1.0","blog_url":"https://all-for-nothing.com/","type":"rich","image_url":null,"provider_url":"https://hatena.blog","description":"\u305d\u306ei\u92ed\u89d2\u306e\u4e00\u65b9\u304c $\\theta$ \u3067\u3042\u308b\u76f4\u89d2\u4e09\u89d2\u5f62i*1\u306f\u3059\u3079\u3066\u76f8\u4f3c\u306a\u306e\u3067, \u659c\u8fba\u30fb\u5bfe\u8fba\u30fb\u96a3\u8fba\u306e\u3046\u3061\u4e8c\u3064\u306e\u8fba\u306e\u6bd4\u306f $\\theta$ \u306e\u95a2\u6570\u3068\u3057\u3066 well-defined \u3067\u3042\u308a, \u305d\u306e\u9078\u3073\u65b9\u306f ${} _ {3}\\mathrm{P} _ {2}=6$ \u901a\u308a\u3067 $\\sin$, $\\cos$, $\\tan$ \u306e\u4ed6\u306b $\\sec$, $\\cosec$, $\\cot$ \u3068\u540d\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059. \u307e\u305a\u5927\u524d\u63d0\u3068\u3057\u3066, \u63a5\u982d\u8f9e co- \u306f\u6570\u5b66\u306b\u304a\u3044\u3066\u53cc\u5bfe\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u304c, \u3053\u306e\u5834\u5408\u306f\u4f59\u89d2 $90\\degree-\\theta$ \u3092\u3068\u308b\u3053\u3068\u306b\u76f8\u5f53\u3057\u307e\u3059. \u3059\u306a\u308f\u3061 $\\cos\\theta=\\sin\u2026","published":"2022-02-03 15:05:24","height":"190","provider_name":"Hatena Blog"}