Answer to Question #202532 in Physics for Babar

Question #202532

Solve Fourier series of cosx for interval -pi/2 to pi/2

Expert's answer

The Fourier series of the function "f(x) = \\cos x" is the function "f(x)" itself. The details of derivations are shown here: https://www.thefouriertransform.com/series/cosineExample.php

Answer. "\\cos x".

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