# How do you find the compliment of (pi/7) in an angle of radians?

If $\alpha$ is the complement , then $\alpha$ + $\frac{\pi}{7}$ = $\frac{\pi}{2}$ $\implies$ $\alpha$ = $\frac{\pi}{2}$ - $\frac{\pi}{7}$
= $5 \frac{\Pi}{14}$ .