Trigonometry Examples

$\frac{7 π}{3}$

Step 1

Find an angle that is positive, less than $2 π$ , and coterminal with $\frac{7 π}{3}$ .

Tap for more steps...

Step 1.1

Subtract $2 π$ from $\frac{7 π}{3}$ .

$\frac{7 π}{3} - 2 π$

Step 1.2

The resulting angle of $\frac{π}{3}$ is positive, less than $2 π$ , and coterminal with $\frac{7 π}{3}$ .

$\frac{π}{3}$

Step 2

Since $\frac{π}{3}$ is in the first quadrant, the reference angle is $\frac{π}{3}$ .

$\frac{π}{3}$