翻訳と辞書 Words near each other ・ Half-orc ・ Half-pass ・ Half-pay ・ Half-period ratio ・ Half-Pint (disambiguation) ・ Half-pipe ・ Half-Pipe Hustle ・ Half-pipe skiing ・ Half-precision floating-point format ・ Half-proof ・ Half-Rate Honeymoon ・ Half-ration Névé ・ Half-reaction ・ Half-rubber ・ Half-Sack Epps ・ Half-side formula ・ Half-smoke ・ Half-space ・ Half-space (geometry) ・ Half-stripe bromeliad frog ・ Half-sword ・ Half-time ・ Half-time (music) ・ Half-track ・ Half-transitive graph ・ Half-Truism ・ Half-truth ・ Half-union ・ Half-value layer ・ Half-Way Covenant Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Half-side formula ： ウィキペディア英語版 Half-side formula In spherical trigonometry, the half side formula relates the angles and lengths of the sides of spherical triangles, which are triangles drawn on the surface of a sphere and so have curved sides and do not obey the formulas for plane triangles.〔.〕 ==Formulas== The half-side formulas are〔.〕 : $$ \begin \tan\left(\frac\right) & = R \cos (S- \alpha) \\() \tan \left(\frac\right) & = R \cos (S- \beta) \\() \tan \left(\frac\right) & = R \cos (S - \gamma) \end where * ''a'', ''b'', ''c'' are the lengths of the sides respectively opposite ''α'', ''β'', ''γ'', * $S\; =\; \backslash frac(\backslash alpha\; +\backslash beta\; +\; \backslash gamma)$ is half the sum of the angles, and * $R=\backslash sqrt\}.$ The three formulas are really the same formula, with the names of the variables permuted. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Half-side formula」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.