SOLUTION: Use a double- or half-angle formula to determine the value of the trigonometric function. sin(-61π/12)

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Question 499480: Use a double- or half-angle formula to determine the value of the trigonometric function.
sin(-61π/12)
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
First we'll simplify the expression using our knowledge of sines
of negative angles, double angle formula, and :



      2
360)915
    720
    195 











Edwin
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