Fourier Series for the waveform, f(t) shown in Figure is
8/`pi2` [sin(`pit` ) + 1/9 sin(3`pit` ) + 1/25 sin (5`pit` )+.....]
8/`pi2` [sin(`pit` ) + 1/9 cos (3`pit` ) + 1/25 sin(5`pit` ) +.....]
8/`pi2` [cos(`pit` ) + 1/9 cos(3`pit` ) + 1/25 cos(5`pit` ) +.....]
8/`pi2` [cos(`pit` ) - 1/9 sin (3`pit` ) + 1/25 sin (5`pit` ) +....]