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

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1.	If F(ω) is Fourier transform of f(t), then the Fourier transform of f(t) cos ωct is
A.	F(ω + ωc) + F(ω - ωc)
B.	1/2 [F(ω + ωc) + F(ω - ωc)]
C.	F(ω + ωc) - F(ω - ωc)
D.	1/2 [F(ω + ωc) - F(ω - ωc)]
Answer» C. F(ω + ωc) - F(ω - ωc)

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