Trigonometry Examples

$\cos (20) = \frac{\sqrt{3}}{2}$

Step 1

The left side $0.93969262$ does not equal to the right side $0.8660254$ , which means that the given statement is false.

False

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