Trigonometry Examples

$\cos (142) = \sin (232)$

Step 1

The left side $- 0.78801075$ is equal to the right side $- 0.78801075$ , which means that the given statement is always true.

True

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