Lượng giác Ví dụ

$\frac{\sin (x)}{\cos (x)} + \frac{\cos (x)}{\sin (x)}$

Bước 1

$\frac{\sin (x)}{\cos (x)} + \frac{\cos (x)}{\sin (x)}$

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