Primitive of Cosine of a x over Power of p plus q of Sine of a x

Theorem

 * $\displaystyle \int \frac {\cos a x \ \mathrm d x} {\left({p + q \sin a x}\right)^n} = \frac {-1} {a q \left({n - 1}\right) \left({p + q \sin a x}\right)^{n - 1} } + C$

Also see

 * Primitive of $\dfrac {\sin a x} {\left({p + q \cos a x}\right)^n}$