cosine

🇬🇧/ˈkəʊsaɪn/ 🇺🇸/ˈkoʊsaɪn/📚 45580
of an angle a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the hypotenuse; 余弦 ( abbr: cos)

noun [专属名词][数] 余弦

Notice the cosine function is...
注意这个余弦函数的。

单词造句:
网友用“Cosine”造句精选
Let us plot both the sine and the cosine curves. 假设我们同时绘制正弦和余弦曲线。
That is why the area gets shrunk by cosine alpha. 这就是为什么面积缩小了cosα倍。