Which of the following angles are coterminal to θ=5π/6?

Question

Select all that are True.
30∘
−11π/6
−7π/6
−330∘
17π/6

I think itś -11.5/6
thank you

Answer 1

5π/6 = 150°
5π/6 + 2π = 17π/6 = 510°
5π/6 - 2π = -7π/6 = -210°