A discrete time signal is given as X [n] = cos \(\frac{πn}{9}\) + si – McqOptions

MCQOPTIONS

1.	A discrete time signal is given as X [n] = cos \(\frac{πn}{9}\) + sin (\(\frac{πn}{7} + \frac{1}{2}\)). The period of the signal X [n] is ______________
A.	126
B.	32
C.	252
D.	Non-periodic
Answer» B. 32

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