Primitive of Power of Hyperbolic Cosecant of a x by Hyperbolic Cotangent of a x

Theorem

 * $\displaystyle \int \csch^n a x \coth a x \rd x = \frac {-\csch^n a x} {n a} + C$

Also see

 * Primitive of $\sech^n a x \tanh a x$