The period of the signal x(t) = 10 sin 12 π t + 4 cos18 π t is ____ – McqOptions

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1.	The period of the signal x(t) = 10 sin 12 π t + 4 cos18 π t is ____________
A.	\(\frac{π}{4}\)
B.	\(\frac{1}{6}\)
C.	\(\frac{1}{9}\)
D.	\(\frac{1}{3}\)
Answer» E.

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