Question $2$:

$1-$ Write the exponential form of Fourier Series of signal $x(t)$ described in the table below.

$2-$ Find the trigonometric Fourier coefficients of the signal $x(t),$ for $x_0=2.$ Evaluate all coefficients.

$3-$ Write the trigonometric Fourier Series expression of this signat, for $x_0=2.$

$4.$ Plot the double$-$sided frequency spectra corresponding to this wave.

$\backslash$table$[[\backslash$table$[[$Name$],[1.]],$Waveform,Co$,C$ k $-k0,$Comments$],[$Square Have,,$0,-j\frac{2x_0}{k},\backslash$table$[[c_k=0.$