Trigonometry Examples

$2 + \csc^{2} (40) - \cot^{2} (40)$

Step 1

Move $- \cot^{2} (40)$ .

$2 + \csc^{2} (40) - \cot^{2} (40)$

Step 2

Apply pythagorean identity.

$2 + 1$

Step 3

Add $2$ and $1$ .

$3$

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