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OpenStudy (anonymous):
2sin^2x+5sinx-3=0 solve the equation, giving a general formula for all of the solutions
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OpenStudy (anonymous):
I mean 2sin^2x-5sinx-3=0
OpenStudy (anonymous):
is it
OpenStudy (dan815):
suppose y=sinx sub for that 2y^2+5y-3=0
OpenStudy (anonymous):
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