Trigonométrie Exemples

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

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

Étape 1

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

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

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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