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OpenStudy (anonymous):
To solve the equation 5sin(2x) = 3cosx, you should rewrite it as _____. A. cosx(5sinx - 3) = 0 B. cosx(10sinx - 3) = 0 C. 5sinx + 3cosx = 0
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OpenStudy (dan815):
use half angle formula to break that 2x
OpenStudy (anonymous):
okay......
OpenStudy (dan815):
what happens?
OpenStudy (anonymous):
that's B surely .
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