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Aristarchus' inequality : ウィキペディア英語版 | Aristarchus' inequality In trigonometry, Aristarchus' inequality, named after the ancient astronomer Aristarchus of Samos, states that if ''α'' and ''β'' are acute angles (i.e. between 0 and a right angle) and ''β'' < ''α'' then : The first of these inequalities was used by Ptolemy in constructing his table of chords. == Notes and references ==
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「Aristarchus' inequality」の詳細全文を読む
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