{"blog_title":"A4\u306e\u5b87\u5b99","type":"rich","author_url":"https://blog.hatena.ne.jp/dai-ig/","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20%5Csin%20x","author_name":"dai-ig","blog_url":"https://a4.hateblo.jp/","version":"1.0","url":"https://a4.hateblo.jp/entry/2019/03/09/175119","published":"2019-03-09 17:51:19","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fa4.hateblo.jp%2Fentry%2F2019%2F03%2F09%2F175119\" title=\"\u6307\u6570\u8868\u8a18\u3055\u308c\u305f\u4e09\u89d2\u95a2\u6570\u306e\u624b\u89e6\u308a\u3092\u78ba\u304b\u3081\u308b - A4\u306e\u5b87\u5b99\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","width":"100%","description":"\u524d\u56de\u307e\u3067\u306b\u3001\u30aa\u30a4\u30e9\u30fc\u306e\u516c\u5f0f\u3092\u7528\u3044\u3066\u4e09\u89d2\u95a2\u6570\u3092\u6307\u6570\u95a2\u6570\u5f62\u5f0f\u3067\u8868\u305b\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002 \u3053\u306e\u5f62\u5f0f\u3067\u3082\u4e09\u89d2\u95a2\u6570\u3068\u3057\u3066\u306e\u6027\u8cea\u304c\u4fdd\u305f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u3001\u3044\u304f\u3064\u304b\u306e\u4ee3\u8868\u7684\u306a\u6027\u8cea\u304b\u3089\u78ba\u8a8d\u3059\u308b\u3002 \u3068\u306e\u6307\u6570\u95a2\u6570\u8868\u8a18\u3092\u518d\u5ea6\u66f8\u304f\u3002 \\begin{eqnarray}\\sin x&=&\\frac{e^{ix}-e^{-ix}}{2i}\\end{eqnarray} \\begin{eqnarray}\\cos x&=&\\frac{e^{ix}+e^{-ix}}{2}\\end{eqnarray} \u3092\u78ba\u304b\u3081\u308b\u3002 \u5de6\u8fba\u3092\u5909\u5f62\u3057\u3066\u53f3\u8fba\u3092\u76ee\u6307\u3059\u3002 \\begin{eqnarray}\\sin 0&=&\\frac{e^{i0}-e^{-i0}}{2\u2026","provider_url":"https://hatena.blog","categories":["\u6570\u5b66","\u5e7e\u4f55","\u8907\u7d20\u6570"],"title":"\u6307\u6570\u8868\u8a18\u3055\u308c\u305f\u4e09\u89d2\u95a2\u6570\u306e\u624b\u89e6\u308a\u3092\u78ba\u304b\u3081\u308b","provider_name":"Hatena Blog"}