Find the Fourier series for the sawtooth waveform shown in <image 1>.
['-2[sin t + (1 / 2) sin 25 + (1 / 4) sin 3t + ...]', '-2[sin t + (1 / 2) sin 30 + (1 / 3) sin 3t + ...]', '-2[sin t + (1 / 2) sin 25 + (1 / 3) sin 3t + ...]', '-2[sin t + (1 / 3) sin 25 + (1 / 3) sin 3t + ...]']