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OpenStudy (anonymous):
2sin^2u+sinu-6=0 What is the trick on factoring this?
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OpenStudy (anonymous):
factor
OpenStudy (anonymous):
yeah I got that, but how?
OpenStudy (anonymous):
omg, im really having a brain fart today...
OpenStudy (anonymous):
2x^2+x-6 = (2x-3)(x+2) (2sinu-3)(sinu+2) = 0 sinu =-2 or sinu = 3/2
OpenStudy (anonymous):
thank you
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