Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Please help answering this question. Please write and explain clearly. 

(a)
(b)
(c)
What is the period of the signal cos (2t - π/8)?
What is the period of the signal sin (t+T/6)?
What is the period of the signal
as (1-7/8)-7ain (+7/6)?
2π
f(t) = cos
3
Hint: take the least common multiple of your answers from parts (a) and (b).
(d)
Find the exponential Fourier series coefficients of the signal f(t) from part
(c). Express your answers in polar form.
Hint: start by computing the fundamental frequency wo for this signal.
(e)
Plot the magnitude and phase spectra of this signal.
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Transcribed Image Text:(a) (b) (c) What is the period of the signal cos (2t - π/8)? What is the period of the signal sin (t+T/6)? What is the period of the signal as (1-7/8)-7ain (+7/6)? 2π f(t) = cos 3 Hint: take the least common multiple of your answers from parts (a) and (b). (d) Find the exponential Fourier series coefficients of the signal f(t) from part (c). Express your answers in polar form. Hint: start by computing the fundamental frequency wo for this signal. (e) Plot the magnitude and phase spectra of this signal.
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