삼각법 예제

$y = \cos (\frac{x}{π}) \sin (x) + \cos (x) \sin (\frac{π}{4})$

단계 1

$y = \cos (\frac{x}{π}) \sin (x) + \cos (x) \sin (\frac{π}{4})$

단계 2

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