Trigonometry Examples

$\frac{2 π}{5}$

Step 1

Since $\frac{2 π}{5}$ is in the first quadrant, the reference angle is $\frac{2 π}{5}$ .

$\frac{2 π}{5}$

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