Trigonometry Examples

2 \cos^{2} (1) \cdot 112.5 - 1

$2 \cos^{2} (1) \cdot 112.5 - 1$

Step 1

The angle is in the third quadrant.

Quadrant

3

$3$

Step 2

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

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