Trigonometry Examples

$12^{2} = {10.5}^{2} + {6.3}^{2} - 2 \cdot 10.5 \cdot 6.3$

Step 1

The left side $144$ does not equal to the right side $17.64$ , which means that the given statement is false.

False

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