(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)

given (e^x)sin3x = Im((e^x)(e^i3x)) Integrate (e^x)sin3x.dx You can just take the imaginary part of...

If (e^x)(sin3x)=Im ((e^x)(e^i3x)) integrate (e^x)(sin3x) I get the answer(e^x)(cos3x-3sin3x) +...

f(x)=sin3x, find f^(79) and f^(120)? What am I suppose to do?

what's the derivative of cos3x

prove that cos3x+sin3x/cos x-sin x=1+2sin2x

Solve for x: sin3x=1/2 Can someone please help me with this porblem? I'm not sure if my answer...

Prove: sin3x-sinx/cos3x-cosx=-cot2

cos4x*cos3x + sin4x*sin3x

y=cos3x(sin^3)x

(cos3x)^2+(sin3x)^2=cos(f(x)) find f(x)

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