Derivative of Hyperbolic Cotangent

Theorem

 * $\map {\dfrac \d {\d x} } {\coth x} = -\csch^2 x$

where $\coth x$ denotes the hyperbolic cotangent and $\csch x$ denotes the hyperbolic cosecant.

Also see

 * Derivative of Hyperbolic Sine
 * Derivative of Hyperbolic Cosine


 * Derivative of Hyperbolic Tangent


 * Derivative of Hyperbolic Secant
 * Derivative of Hyperbolic Cosecant