The Fourier series of an even function might Select all that apply.
A) contain sine terms
B) contain cosine terms
C) contain a constant term
D) contain sine and cosine terms
E) contain sine, cosine, and constant terms

Question

Quizplus · Accepted Answer

Even functions are symmetric about the y-axis, which means their Fourier series contain only cosine terms and possibly a constant term, but not sine terms, since sine functions are odd functions.

The Fourier Series of an Even Function Might Select All