Trigonometria Exemplos

$\sin (4 x) \cos (9 x) + \cos (4 x) \sin (9 x)$

Etapa 1

$\sin (4 x) \cos (9 x) + \cos (4 x) \sin (9 x)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$