Precalculus Examples

$\sec (300)$

Step 1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

$\sec (60)$

Step 2

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

$2$

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