三角学示例

$\sin (2 x) \cos (x) + \cos (2 x) \sin (x) = \frac{\sqrt{2}}{2}$

解题步骤 1

对方程两边进行作图。

$y = \sin (2 x) \cos (x) + \cos (2 x) \sin (x)$

$y = \frac{\sqrt{2}}{2}$

解题步骤 2

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