Trigonometry Examples

$\sec (- 4 π)$

Step 1

Add full rotations of $2 π$ until the angle is greater than or equal to $0$ and less than $2 π$ .

$\sec (0)$

Step 2

The exact value of $\sec (0)$ is $1$ .

$1$

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