{"url":"https://mossanmathema.hateblo.jp/entry/2020/01/31/220000","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmossanmathema.hateblo.jp%2Fentry%2F2020%2F01%2F31%2F220000\" title=\"2019\u5e74\u6771\u5317\u5927\u5b66\u7406\u7cfb\u7b2c1\u554f - (\u3082\u3063\u30fb\u03c9\u30fb\u3055\u3093)\u3076\u308d\u3050\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://mossanmathema.hateblo.jp/","published":"2020-01-31 22:00:00","version":"1.0","title":"2019\u5e74\u6771\u5317\u5927\u5b66\u7406\u7cfb\u7b2c1\u554f","provider_url":"https://hatena.blog","width":"100%","height":"190","categories":["\u7406\u7cfb\u6570\u5b66","\u6771\u5317\u5927\u5b66","\u5927\u5b66\u5165\u8a66\u554f\u984c"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mossanmathema/20200131/20200131150402.png","author_url":"https://blog.hatena.ne.jp/mossanmathema/","provider_name":"Hatena Blog","author_name":"mossanmathema","blog_title":"(\u3082\u3063\u30fb\u03c9\u30fb\u3055\u3093)\u3076\u308d\u3050","description":"\u4eca\u65e5\u306f\u3053\u3061\u3089\u306e\u554f\u984c\u3002\u554f\u984c\u6587\u306f\u77ed\u3044\u306e\u3067\uff0c\u554f\u984c\u6587\u304b\u3089\u5f97\u3089\u308c\u308b\u60c5\u5831\u304c\u5c11\u306a\u3044\u3067\u3059\u3002 \u3055\u3066\u3069\u3046\u3057\u307e\u3057\u3087\u3046\u3002 2019\u6771\u5317\u5927\u7406\u7cfb1 \u63a5\u7dda\u306f\uff0c\u63a5\u70b9\u304b\u3089\u59cb\u3081\u308b\u306e\u3067\u307e\u305a\u306f\u63a5\u70b9\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002 \u66f2\u7dday=f(x)\u4e0a\u306e\u70b9(a,f(a))\u306b\u304a\u3051\u308b\u63a5\u7dda\u306e\u65b9\u7a0b\u5f0f\u306f\uff0c\u300cy-f(a)=f'(a)(x-a)\u300d\u3067\u3057\u305f\u3002 \u307e\u305f\uff0c2\u76f4\u7dda\u306e\u76f4\u4ea4\u6761\u4ef6\u306f\uff0c\u300c\u50be\u304d\u306e\u7a4d=-1\u300d\u3002 \u50be\u304d\u306fcos\u306b\u306a\u308b\u306e\u3067\uff0c cos(a)\u30fbcos(b)=-1\u3068\u306a\u308ba\uff0cb\u3092\u6c42\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u3053\u306e\u51e6\u7406\u304c\u3053\u306e\u554f\u984c\u3092\u5b8c\u7b54\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306e\u5883\u76ee\u3067\u3057\u3087\u3046\u3002"}