SOLUTION: I need help finding the exact values Use a double-angle identity to find the exact value of sin(8π/3)

Question 1194999: I need help finding the exact values Use a double-angle identity to find the exact value of sin(8π/3)
Answer by ikleyn(52835) (Show Source): You can put this solution on YOUR website!
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The angle   =  +  is equivalent to  = 120 degrees.


THEREFORE,   = sin(120°) = .    ANSWER


The value  sin(120°)  is the table value, and every student studying Trigonometry must know the value.

Solved.

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