{"width":"100%","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/aomori-ringo2/20080424/20080424030439.gif","author_url":"https://blog.hatena.ne.jp/aomori-ringo2/","author_name":"aomori-ringo2","url":"https://aomori-ringo2.hatenadiary.org/entry/20080423/1208973852","height":"190","blog_title":"math, programming, and little something to laugh","description":"arctan\u3068cot\u306e\u5b9a\u7fa9\u306f\u4e0a\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u7c21\u5358\u306b\u8aac\u660e\u3057\u3066\u304a\u304f\u3068\u3001cot\u306ftanx\u306e\u9006\u6570\u3067\u3001arctan\u306fx\u306b\u6570\u5024\u3092\u5165\u308c\u308b\u3068\u3001\u305d\u308c\u304ctan\u3060\u3068\u4f55\u5ea6(\u03b8)\u304b\u3092\u8fd4\u3059\u3082\u306e\u3067\u3042\u308b\u3002(arctan\u306e\u30ea\u30f3\u30af\u3082\u53c2\u8003\u306b\u306a\u308a\u307e\u3059) \u306a\u306e\u3067\u3001arctan\u3068cot\u306f\u5168\u304f\u306e\u5225\u7269\u3067\u3042\u308b\u3002 \u304c\u3001\u9ad8\u6821\u3067\u306f \u3068\u3057\u3066\u3082\u3088\u3044\u3067\u3059\u3088\u3001\u3068\u7fd2\u3046\u3002(\u6b63\u78ba\u306b\u5f15\u7528\u3059\u308b\u3068\u3001\u300c(\u53f3\u8fba)\u3092(\u5de6\u8fba)\u3068\u66f8\u304f\u3053\u3068\u304c\u591a\u3044\u300d\u3068\u3042\u308b\u3002) \u3060\u304b\u3089\u3001 \u3092 \u3068\u3057\u305f\u304f\u306a\u308b\u751f\u5f92\u3082\u3067\u3066\u304f\u308b\u306e\u3067\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002 \u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3001\u3068\u9ad8\u6821\u751f\u306b\u8a00\u3063\u3066\u3082\u3001\u7d0d\u5f97\u3067\u304d\u306a\u3044\u751f\u5f92\u3082\u3044\u308b\u306f\u305a\u3067\u3042\u308b\u3002 \u3046\u30fc\u3093\u3001\u60a9\u307f\u4e2d\u3002 \u50d5\u81ea\u8eab\u306f\u5927\u5b66\u751f\u3068\u306f\u8a00\u3063\u3066\u3082\u3001\u6570\u5b66\u79d1\u3067\u3082\u306a\u3093\u3067\u3082\u306a\u3044\u306e\u3067\u3001\u300c\u305d\u3093\u2026","published":"2008-04-23 03:04:12","version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Faomori-ringo2.hatenadiary.org%2Fentry%2F20080423%2F1208973852\" title=\" arctan\u3068cot - math, programming, and little something to laugh\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","categories":["\u6570\u5b66"],"blog_url":"https://aomori-ringo2.hatenadiary.org/","title":" arctan\u3068cot"}