SOLUTION: 3sin^2x-sinx-2

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Question 617354: 3sin^2x-sinx-2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3sin^2x-sinx-2 = 0
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Factor:
3sin^2 - 3sin + 2sin - 2 = 0
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3sin(sin-1)+ 2(sin-1) = 0
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(sin(x)-1)(3sin(x) + 2) = 0
sin(x) = 1 or sin(x) -2/3
x = 90 degrees or x = -41.81 degrees or +221.81 degrees