If F(œâ) is Fourier transform of f(t), then the Fourier transform of – McqOptions

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1.	If F(œâ) is Fourier transform of f(t), then the Fourier transform of f(t) cos œâct is
A.	F(œâ + œâc) + F(œâ - œâc)
B.	[F(œâ + œâc) + F(œâ - œâc)]
C.	F(œâ + œâc) - F(œâ - œâc)
D.	[F(œâ + œâc) - F(œâ - œâc)]
Answer» C. F(œâ + œâc) - F(œâ - œâc)

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