Question

There is a square signal with period T = 2 seconds with the following characteristics: x (t) = 4 0 <t <1 x (t) = -4 1 <t <2 Its expansion in Fourier series is: x (t ) = b1 sin (πt) + b3sen (3πt) + b4sen (5πt) …… Calculate b3.

Answer 1