Which of the following best explains why tan5pi/6 does not equal tan5pi/3? Hurry please

Answer:
The angles do not have the same reference angle.
Step-by-step explanation:
We can answer this question by referring to the unit circle.
The reference angle of 5π/6 is π/6, and the reference angle of 5π/3 is π/3.
B, C, and D are wrong. Tangent is negative in both quadrants