Trigonometry Examples

$\sec (\frac{5}{3} \cdot π)$

Step 1

Combine $\frac{5}{3}$ and $π$ .

$\sec (\frac{5 π}{3})$

Step 2

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

$\sec (\frac{π}{3})$

Step 3

The exact value of $\sec (\frac{π}{3})$ is $2$ .

$2$