Check whether the signal is periodic or not?x(t) = cos(4t) + 2sin(8t)

1.	Check whether the signal is periodic or not? x(t) = cos(4t) + 2sin(8t)
A.	Periodic with period /2
B.	Periodic with period 2
C.	Periodic with period 2/
D.	Not periodic
Answer» B. Periodic with period 2

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