Primitive of Cube of Sine of a x

Theorem

 * $\displaystyle \int \sin^3 a x \ \mathrm d x = -\frac {\cos a x} a + \frac {\cos^3 a x} {3 a} + C$

Also see

 * Primitive of $\cos^3 a x$
 * Primitive of $\tan^3 a x$
 * Primitive of $\cot^3 a x$
 * Primitive of $\sec^3 a x$
 * Primitive of $\csc^3 a x$