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OpenStudy (briensmarandache):
use addition formula to simplify the equation. then find all real solutions: sin(2x)cos(x)+cos(2x)sin(x)=1/2(sqrt(3))....... im not seeing how to apply the addition formula
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OpenStudy (briensmarandache):
i have tried using identities, im not sure if that is required, but i didnt see any thing meaningful
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