Find a positive angle less than one revolution around the unit circle that is co-terminal with the given angle -15pi/17

ANSWER


EXPLANATION

To find a positive angle that is coterminal with


We add multiples of 2π until we get a positive angle that is less than one revolution,

We add to obtain,



This simplifies to,



This is the first positive angle that is coterminal with


and is less than one revolution.