{"description":"\u5730\u7403\u306e\u534a\u5f84\u3092r\u3068\u3059\u308b\u3068 \u7def\u5ea6\u03c6\u306e\u534a\u5f84\u304c\u306a\u305crcos\u03c6\u306b\u306a\u308b\u306e\u304b \u904e\u53bb\u554f\u306e\u89e3\u8aac\u306b\u3082\u53c2\u8003\u66f8\u306b\u3082\u30cd\u30c3\u30c8\u306e\u904e\u53bb\u554f\u89e3\u8aac\u306b\u3082\u3069\u3063\u3053\u306b\u3082\u8f09\u3063\u3066\u306a\u304b\u3063\u305f\u304b\u3089 \u8b0e\u306e\u4f7f\u547d\u611f\u3067\u8f09\u305b\u307e\u3057\u305f\u3002 \u300c\u5f53\u7136\u308f\u304b\u3063\u3066\u308b\u3088\u306d\uff1f\u300d\u306e\u3066\u3044\u3067\u89e3\u8aac\u3055\u308c\u3066\u3042\u308b\u3068\u3053\u308d\u591a\u3059\u304e\u308b\u3002\u307f\u3093\u306a\u982d\u826f\u3044\u306a\u3042_:( _ \u0301\u03c9`):_ \u5c11\u3057\u3067\u3082\u30a4\u30e1\u30fc\u30b8\u3064\u304f\u3088\u3046\u306b\u3053\u3061\u3089\u306e\u753b\u50cf\u3082\u2026\u5730\u7403\u306e\u534a\u5206\u3092\u66f8\u3044\u305f\u56f3\u3067\u3059\u3002 R=r\u3067\u3059\u3002 rcos\u03c6\u306f \u4e09\u89d2\u6bd4\u306ecos\u03c6=\u6a2a\u306e\u8fba/\u659c\u8fba\u3088\u308a \u6a2a\u306e\u8fba=\u659c\u8fba\u00d7cos\u03c6 \u304b\u3089\u6765\u3066\u3044\u307e\u3059(*^^*) \u30e9\u30f3\u30ad\u30f3\u30b0\u53c2\u52a0\u4e2d\u8cc7\u683c\u8a66\u9a13\u52c9\u5f37\u3057\u3066\u308b\u4eba \u22c6. \u0741\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508\u2508 \u0741.\u22c6 If we let the Earth's rad\u2026","categories":["\u8cc7\u683c\uffe0( \u2022\u0300_\u2022\u0301  )\ufeffqualification"],"author_name":"riri_taiyaki","blog_url":"https://riri-taiyaki.hatenablog.com/","type":"rich","height":"190","author_url":"https://blog.hatena.ne.jp/riri_taiyaki/","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Friri-taiyaki.hatenablog.com%2Fentry%2F2026%2F07%2F16%2F212509\" title=\"\u7def\u5ea6\u03c6\u306e\u3068\u304d\u306e\u534a\u5f84rcos\u03c6\u306b\u3064\u3044\u3066\ua564\ufe0e\ufe0eRegarding the radius r cos \u03c6 at latitude \u03c6  - riri\u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"riri\u2019s blog","url":"https://riri-taiyaki.hatenablog.com/entry/2026/07/16/212509","provider_name":"Hatena Blog","published":"2026-07-16 21:25:09","title":"\u7def\u5ea6\u03c6\u306e\u3068\u304d\u306e\u534a\u5f84rcos\u03c6\u306b\u3064\u3044\u3066\ua564\ufe0e\ufe0eRegarding the radius r cos \u03c6 at latitude \u03c6 ","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/r/riri_taiyaki/20260716/20260716211734.jpg"}