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

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1.	A discrete time signal is given as X [n] = cos ( frac{ n}{9} ) + sin ( ( frac{ n}{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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