Primitive of Sine of a x + b/Examples/3x + 4

Examples of Use of Primitive of $\map \sin {a x + b}$

 * $\ds \int \map \sin {3 x + 4} \rd x = -\dfrac {\map \cos {3 x + 4} } 3 + C$

Proof
An instance of Primitive of $\map \sin {a x + b}$, substituting $3$ for $a$ and $4$ for $b$.