余弦 meaning in English
[数学] cosine
◇余弦定律 cosine law; law of cosines
Examples
- This requires two sine-cosine resolvers .
这就需要两个正余弦分解器。 - The bar directions are conveniently specified by direction cosines .
杆的方向通常用方向余弦来表示。 - 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。 - 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。 - The expression for g can be rewritten in terms of trigonometric sines and cosines .
关于g的表达式可以重写成三角函数的正弦和余弦形式。