cosine的意思

cosine

英式音标['kosaɪn]
美式英标['kəʊsaɪn]

基本解释

n. [数] 余弦

中文词源

cosine 余弦

来自短语complementary sine, 补足正弦。

英文词源

cosine (n.): 1630s, from co. sinus, abbreviation of Medieval Latin complementi sinus (see complement + sine).

实用例句

1. The cosine rather than the sine is customarily used in this case.: 在这种情况下,习惯上用余弦函数而不是正弦函数.

2. This requires two sine - cosine resolvers.: 这就需要两个正余弦分解器.

3. Let's now examine the simplest wave from where the profile is a sine or cosine curve.: 现在让我们来考察最简单的波形,它的剖面图是正弦或余弦曲线.

4. We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.: 用复数算术推导了正弦,余弦的加法公式.

5. Aim To study some calculation formula of sine function and cosine function.: 目的研究正弦函数和余弦函数的一些计算公式.

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