Primitive of Cosine Function/Corollary

Corollary to Primitive of Cosine Function

 * $\ds \int \cos a x \rd x = \frac {\sin a x} a + C$

where $a$ is a non-zero constant.

Also see

 * Primitive of $\sin a x$
 * Primitive of $\tan a x$
 * Primitive of $\cot a x$
 * Primitive of $\sec a x$
 * Primitive of $\csc a x$