Trigonometry
In trigonometry, the cotangent is a function (see trigonometric function) defined as:
or
An interpretation of the cotangent of an angle x is as follows. In a right triangle with one angle equal to x, cot x is the ratio of the length of the leg adjacent to the angle x to the leg opposite the angle x.
Derivative
The derivative of the cotangent is:
where csc is the cosecant.
See also
External link
