三角学示例

$\frac{\tan (40) + \tan (110)}{1 - \tan (40) \tan (110)}$

解题步骤 1

$\frac{\tan (40) + \tan (110)}{1 - \tan (40) \tan (110)}$

解题步骤 2

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