Find a positive and negative angle that is coterminal with the given angle. Use units given

Question

1. 5pi/2
2. -2pi/3
3. 5pi/3

Answer 1

#1)

5 *pi/2 * 180/pi = 450 = 360+90

so 90, -270

#2)

-2pi/3 * 180/pi = -120 = 240

#3) 5 *pi /3 = * 180/pi = 150

150, -210