Trigonometry Examples

$\tan (22.5) = \frac{\sin (45)}{1 + \cos (45)}$

Step 1

The left side $0.41421356$ is equal to the right side $0.41421356$ , which means that the given statement is always true.

True

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