Answer:
See below
Step-by-step explanation:
2. -7π/6 = -(π + π/6)
The angle is negative, measured in clockwise direction.
Angle is presented in the picture below:
b) -7π/6 = -7π/6 x 180°/π = -210°
c) Positive angle = 4π/3
Negative angle = -7π/6
d) Reference angle = 4π/3