Primitive of Cube of Hyperbolic Cotangent of a x

Theorem

 * $\ds \int \coth^3 a x \rd x = \frac {\ln \size {\sinh a x} } a - \frac {\coth^2 a x} {2 a} + C$

Also see

 * Primitive of $\tanh^3 a x$
 * Primitive of $\sech^3 a x$
 * Primitive of $\csch^3 a x$