n. 正弦
【计】 正弦
在线英汉词典
sine的短语、例句:
sine
n
(abbr 缩写 sin) (mathematics 数) (in a right-angled triangle) the ratio of the length of the side opposite one of the acute angles to the length of the hypotenuse 正弦. Cf 参看 cosine, tangent 2.
sine