Primitive of Cube of Cosecant of a x

Theorem

 * $\displaystyle \int \csc^3 a x \ \mathrm d x = \frac {-\csc a x \cot a x} {2 a} + \frac 1 {2 a} \ln \left \vert {\tan a x} \right \vert + C$

Also see

 * Primitive of $\sec^3 a x$