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

Theorem

 * $\displaystyle \int \frac {\operatorname{csch}^2 a x \ \mathrm d x} {\coth a x} = \frac {-1} a \ln \left\vert{\coth a x}\right\vert + C$

Also see

 * Primitive of $\dfrac {\operatorname{sech}^2 a x \ \mathrm d x} {\tanh a x}$