SOLUTION: Find all values of t in the interval [o,2π] satisfying sin(2t)=-1/2

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Question 532153: Find all values of t in the interval [o,2π] satisfying sin(2t)=-1/2
Answer by Alan3354(69443) About Me  (Show Source):
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Find all values of t in the interval [o,2π] satisfying sin(2t)=-1/2
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sin(2t) = -1/2
2t = 210, 330, 570, 690
t = 105, 165, 285, 345 degrees
t = 7pi/12, 11pi/12, 19pi/12, 23pi/12 radians