三角学示例

$\frac{1}{\cos (x) \sin (90 - x)} - \frac{\tan (x)}{\tan (90 - x)}$

解题步骤 1

图像。

$\frac{1}{\cos (x) \sin (90 - x)} - \frac{\tan (x)}{\tan (90 - x)}$

解题步骤 2

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