Primitive of Square of Hyperbolic Cosecant of a x over Hyperbolic Cotangent of a x

Theorem

 * $\displaystyle \int \frac {\csch^2 a x \rd x} {\coth a x} = \frac {-1} a \ln \size {\coth a x} + C$

Also see

 * Primitive of $\dfrac {\sech^2 a x \rd x} {\tanh a x}$