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Homework Statement
Sketch the single-side and double-sided amplitude and phase spectra of
Homework Equations
a) Xa(t)=5cos(12∏t-pi/6)
b)Xc(t)=4cos(8∏t)cos(12∏t)
The Attempt at a Solution
I have no idea how to start off this problem
Welcome to the PF.Homework Statement
Sketch the single-side and double-sided amplitude and phase spectra of
Homework Equations
a) Xa(t)=5cos(12∏t-pi/6)
b)Xc(t)=4cos(8∏t)cos(12∏t)
The Attempt at a Solution
I have no idea how to start off this problem