Derivative of Cotangent Function

Theorem

 * $\map {\dfrac \d {\d x} } {\cot x} = -\csc^2 x = \dfrac {-1} {\sin^2 x}$

where $\sin x \ne 0$.

Also see

 * Derivative of Sine Function
 * Derivative of Cosine Function


 * Derivative of Tangent Function


 * Derivative of Secant Function
 * Derivative of Cosecant Function