cosines n. [数] 余弦 释义与例句 n. 1. plural of cosine 相关短语 law of cosines 余弦定理 hyperbolic cosines inverse cosines arc cosines coversed cosines versed cosines hyperbolic cosine 双曲函数 inverse cosine 反余弦 coversed cosine arc cosine 反余弦 versed cosine