Question 692106: Arcsin (-1/2)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Arcsin (-1/2)
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The reference angle is arcsin(1/2) = 30 degrees
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Since the sin is negative, the angle is in QIII or QIV
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Ans: angle = 180+30 = 210 or angle = 360-30 = 330
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Cheers,
Stan H.
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