SOLUTION: 4sin^2x+2sin^2x-2sinx-1=0

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Question 723610: 4sin^2x+2sin^2x-2sinx-1=0
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
4sin^2x+2sin^2x-2sinx-1=0
6sin^2x-2sinx-1=0
solve for sin x by quadratic formula: [0,π]
sinx≈0.6076
x≈0.6530
or
sinx≈-0.2743
x≈2.8637