Derivative of Hyperbolic Cosine

Theorem

 * $\map {\dfrac \d {\d x} } {\cosh x} = \sinh x$

where $\cosh$ is the hyperbolic cosine and $\sinh$ is the hyperbolic sine.

Also see

 * Derivative of Hyperbolic Sine


 * Derivative of Hyperbolic Tangent
 * Derivative of Hyperbolic Cotangent


 * Derivative of Hyperbolic Secant
 * Derivative of Hyperbolic Cosecant