SOLUTION: sketch each angle and its reference triangle in the unit circle. then sketch to find each exact value. sin 2π/3

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Question 1110949: sketch each angle and its reference triangle in the unit circle. then sketch to find each exact value.
sin 2π/3
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Good idea, but I don't think you can find the exact value from a sketch.