Trigonometry Examples

$\cos^{2} (47 °) = \frac{1 + \cos (94 °)}{2}$

Step 1

The left side $0.46512176$ is equal to the right side $0.46512176$ , which means that the given statement is always true.

True

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