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Asked by Katie

the original problem was:

Solve: sin(3x)-sin(x)=cos(2x)

so far i've gooten to:
sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x)

Where would I go from here?
16 years ago

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the original problem was:

Solve: sin(3x)-sin(x)=cos(2x)

so far i've gooten to:
sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x)

Where would I go from here?

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