三角学示例

$\cos^{2} (2 x) - \cos^{2} (6 x) = \sin (4 x) \sin (8 x)$

解题步骤 1

对方程两边进行作图。

$y = \cos^{2} (2 x) - \cos^{2} (6 x)$

$y = \sin (4 x) \sin (8 x)$

解题步骤 2

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