余弦的例句（余弦在句子中的用法）

• 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.
• 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.
• This requires two sine - cosine resolvers. 这就需要两个正余弦分解器.
• A linearization method to design biorthogonal cosine BCM filter banks is proposed. 介绍了一种用于设计双正交余弦调制滤波器组的线性化方法.