The trigonometric Fourier series for a complex wave will contain posit – McqOptions

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1.	The trigonometric Fourier series for a complex wave will contain positive cosine terms only when
A.	it contains even harmonics
B.	its two half-cycles are symmetrical
C.	its value is zero at 0= n/2, 3n/2 etc.
D.	its value is zero at 0= n, 2n etc.
Answer» D. its value is zero at 0= n, 2n etc.

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