cosine
「cosine」的意思
n. [数] 余弦
n.[数]余弦
「cosine」的用法
cosine余弦 - 数学和物理学中常用
「cosine」的例句
The cosine of 60 degrees is 0.5.
60度的余弦是0.5。
In physics, the cosine function is used to describe the position of a particle on a circular path.
在物理学中，余弦函数用于描述粒子在圆周路径上的位置。
The cosine similarity measures the cosine of the angle between two non-zero vectors in an inner product space.
余弦相似度衡量两个非零向量在内积空间中的夹角的余弦值。
Cosine is one of the basic trigonometric functions.
余弦是基本的三角函数之一。
In geometry, the cosine rule relates the lengths of the sides of a triangle to the cosine of one of its angles.
在几何学中，余弦定理将三角形的边长与其中一个角的余弦值联系起来。
The cosine function is periodic with a period of 2π.
余弦函数是周期为2π的周期函数。
In signal processing, the cosine transform is used to decompose signals into their frequency components.
在信号处理中，余弦变换用于将信号分解为其频率成分。
The cosine function is an even function, meaning cos(-x) = cos(x).
余弦函数是一个偶函数，即cos(-x) = cos(x)。
In calculus, the derivative of cos(x) is -sin(x).
在微积分中，cos(x)的导数是-sin(x)。
The cosine function is used in many areas including engineering, physics, and computer science.
余弦函数在工程、物理学和计算机科学等领域都有广泛应用。