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Mathematics 11 Online
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

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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