삼각법 예제

$\cos^{4} (a) + \sin^{4} (a) + \sin^{4} (a) \cos^{4} (a)$

단계 1

$\cos^{4} (a) + \sin^{4} (a) + \sin^{4} (a) \cos^{4} (a)$

단계 2

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