SOLUTION: Find all values of a in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree. sin3a=-0.6

Question 854219: Find all values of a in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.
sin3a=-0.6
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find all values of a in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.
sin3a=-0.6
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arcsin(-0.6) = 3a
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3a = -36.87 degrees or 3a = 180+36.87 = 216.87 degrees
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a = -12.29 degrees or a = 72.29
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Cheers,
Stan H.
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