The first four terms in the Fourier series of a periodic waveform are vt 15 h

The first four terms in the Fourier series of a periodic waveform are vðtÞ ¼ 15 h

sinð150ptÞ  1 9

sinð450ptÞ þ 1 25 sinð750ptÞ

 1 49 sinð1050ptÞ

i V

(a) Findtheperiodandfundamentalfrequencyinrad/sandHz.

Identify the harmonics present in the first four terms.

(b) Identify the symmetry features of the waveform.

(c) Write the first four terms in the Fourier series for the waveform v(t  T0/4).