Trigonometry Examples

$\sin (45) = \sqrt{1 - \frac{\cos (45)}{2}}$

Step 1

The left side $0.70710678$ does not equal to the right side $0.80401903$ , which means that the given statement is false.

False

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