Trigonometry Examples

$1 - 2 \cos^{2} (x) + \cos^{4} (x) = \sin^{4} (x)$

Step 1

The provided equation is an identity.

$1 - 2 \cos^{2} (x) + \cos^{4} (x) = \sin^{4} (x)$ is an identity

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