Trigonometry Examples

$\sin^{2} (14) + \cos^{2} (14) = - 3$

Step 1

The left side $1$ does not equal to the right side $- 3$ , which means that the given statement is false.

False

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