三角学示例

$f (x) = - 2 \sin (x) g (x) = 4 \sin (x)$

解题步骤 1

图像。

$f (x) = - 2 \sin (x) g x = 4 \sin (x)$

解题步骤 2

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