Find the Fourier series coefficients for the continuous time periodic signal
\(x\left( t \right) = \left\{ {\begin{array}{*{20}{c}} {1.5,\;\;0 < t < 1}\\ { - 1.5,\;\;1 < t < 2} \end{array}} \right.\)
With fundamental frequency f0 = π1
\(\frac{3}{{n\pi }}\left[ {1 - \cos n\pi } \right]\)
2
\(\frac{3}{{\left( {n - 1} \right)\pi }}[1 - \sin n\pi ]\)
3
\(\frac{3}{{\left( {n - 1} \right)\pi }}[1 - \cos n\pi ]\)
4
\(\frac{9}{{2n\pi }}[2 - \cos n\pi ]\;\)