Trigonometry Examples

$\sec (420)$

Step 1

Remove full rotations of $360$ ° until the angle is between $0$ ° and $360$ °.

$\sec (60)$

Step 2

The exact value of $\sec (60)$ is $2$ .

$2$

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