Trigonometry Examples

$\frac{13 π}{4}$

Subtract $2 π$ from $\frac{13 π}{4}$ .

$\frac{13 π}{4} - 2 π$

The resulting angle of $\frac{5 π}{4}$ is positive, less than $2 π$ , and coterminal with $\frac{13 π}{4}$ .

$\frac{5 π}{4}$

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