Q.

What is the polar form of the fourier series?

A. x(t) = c0 + ∑cncos(nwt+ϕn)
B. x(t) = c0 + ∑cncos(ϕn)
C. x(t) = ∑cncos(nwt+ϕn)
D. x(t) = c0+ ∑cos(nwt+ϕn)
Answer» A. x(t) = c0 + ∑cncos(nwt+ϕn)
Explanation: x(t) = c0 + ∑cncos(nwt+ϕn), is the polar form of the fourier series.
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