The Fourier transform of the signal (t+1) + (t-1) is ____________

1.	The Fourier transform of the signal (t+1) + (t-1) is ____________
A.	( frac{2}{1+j } )
B.	( frac{2}{1-j } )
C.	2 cos
D.	2 sin
Answer» D. 2 sin

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