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OpenStudy (anonymous):
Prove that 2sin2Θ−3cos2θ−3sinθ+3=sinθ(4cosθ+6sinθ−3)
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OpenStudy (anonymous):
use sin(2x)=2sinxcosx and cos(2x)=1-2sin^2(x) then it'll solve itself easily
OpenStudy (anonymous):
Okay thanks for the help
OpenStudy (anonymous):
yw
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