SOLUTION: How do you solve Cos(3θ)= -1 for the exact solutions over the interval [0,360]?

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Question 1113421: How do you solve Cos(3θ)= -1 for the exact solutions over the interval [0,360]?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do you solve Cos(3t)= -1 for the exact solutions over the interval [0,360]?
cos(180, 540, 900) = -1
t = 60, 180, 300 degrees