SOLUTION: Factor 2sin^2x+5sinx-3

Question 1022068: Factor 2sin^2x+5sinx-3
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Sometimes it is easier to substitute simple y in for the trig function to see how it factors...we can back-substitute later...
Thus let y = sin x for now...then we have
2y^2 + 5y - 3 =
(2y - 1)(y + 3) =
Now back-substitute and get
(2 sin x - 1)(sin x + 3)
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