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OpenStudy (anonymous):
2sin^2x+sinx-1=0 How to factor??
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OpenStudy (coconutjj):
what are you taking sin of? 2sin^2x
OpenStudy (coconutjj):
is this sin square x?
OpenStudy (loser66):
Cannot factor, but can solve
OpenStudy (loser66):
Just let sin (x) =t, solve for t, then plug back to solve for x
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