The period of the signal X (t) = 10 sin 5t – 4 cos 9t is __________ – McqOptions

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1.	The period of the signal X (t) = 10 sin 5t – 4 cos 9t is _______________
A.	\(\frac{24π}{35}\)
B.	\(\frac{4π}{35}\)
C.	2π
D.	Non-periodic
Answer» D. Non-periodic

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