SOLUTION: find the Fourier expansion of the function: f(t)=sin^3t and f(t)=(2sint−cost)^2

Question 1077680: find the Fourier expansion of the function: f(t)=sin^3t and f(t)=(2sint−cost)^2
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
That's really beyond the scope of this website.
You need to work on integrating to get your coefficients.

Actually all of the a coefficients are zero.

That's a start on the first one.
You can find the formula also by plugging in,

and solving for when is even.

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SOLUTION: find the Fourier expansion of the function: f(t)=sin^3t and f(t)=(2sint&#8722;cost)^2

SOLUTION: find the Fourier expansion of the function: f(t)=sin^3t and f(t)=(2sint−cost)^2