英语词汇“cosine function”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cosine function
释义	cosine function cosine function [′kō‚sīn ‚fəŋk·shən] (mathematics) In a right triangle with an angle θ, the cosine function gives the ratio of adjacent side to hypotenuse; more generally, it is the function which assigns to any real number θ the abscissa of the point on the unit circle obtained by moving from (1,0) counterclockwise θ units along the circle, or clockwise \|θ\| units if θ is less than 0. Denoted cos.
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