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?
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?