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OpenStudy (anonymous):
To solve the equation 5sin(2x) = 3cosx, you should rewrite it as _____. A. cosx(5sinx-3)=0 B. 5sinx+3cosx=0 C. cosx(10sinx-3)=0
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OpenStudy (anonymous):
looks like C to me
OpenStudy (anonymous):
how is that
OpenStudy (anonymous):
hint: sin(2x) = 2sinx cosx
OpenStudy (anonymous):
ooooooh ok
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