Trigonometry Examples

$\frac{\cos (150)}{\cos (100)} = \cos (50)$

Step 1

The left side $4.98724153$ does not equal to the right side $0.6427876$ , which means that the given statement is false.

False

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