A discrete time signal is as given belowX [n] = cos ( ( frac{ n}{2} )) – McqOptions

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1.	A discrete time signal is as given below X [n] = cos ( ( frac{ n}{2} )) sin ( ( frac{ n}{8} )) + 3 cos ( ( frac{ n}{4} + frac{ }{3}) ) The period of the signal X [n] is _____________
A.	16
B.	4
C.	2
D.	Non-periodic
Answer» B. 4

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