余切

The cotangent of an angle is the reciprocal of its tangent.
某个角度的余切值是其正切值的倒数。
In trigonometry, cotangent is used to find missing sides in right triangles.
在三角学中，余切被用来找出直角三角形中的缺失边长。
The cotangent function is essential for understanding wave patterns in physics.
余切函数对于理解物理学中的波形至关重要。
The cotangent graph has a period of π radians.
余切图象的周期为π弧度。
The cotangent of 45 degrees is equal to 1.
的余切值等于1。
The cotangent ratio is related to the adjacent and opposite sides of a right triangle.
余切比率与直角三角形的邻边和对边有关。
A decrease in cotangent indicates an increase in the angle's measure.
余切值的减少意味着角度的增大。
The cotangent identity is cot(α) = 1/tan(α).
余切恒等式是cot(α) = 1/tan(α)。
In calculus, the derivative of cotangent is -csc^2(x).
在微积分中，余切的导数是-csc^2(x)。
The cotangent is useful in finding angles in a right triangle when sine and cosine are known.
当知道正弦和余弦值时，余切有助于找到直角三角形中的角度。