Primitive of Hyperbolic Cosine of a x

Theorem

 * $\displaystyle \int \cosh a x \ \mathrm d x = \frac {\sinh a x} a + C$

Also see

 * Primitive of $\sinh a x$
 * Primitive of $\tanh a x$
 * Primitive of $\coth a x$
 * Primitive of $\operatorname{sech} a x$
 * Primitive of $\operatorname{csch} a x$