2.11. For each signal, if it is periodic, find the fundamental period To and the fundamental frequency . Otherwise, prove that the signal is not periodic. (a) x(t) = cos31 + sin 5t. (b) x(1) = cost + sint. (c) x(1) = cos (31) + sin (91) (d) x(t) =cos (3) + sin (4πt) + cos(5)
2.11. For each signal, if it is periodic, find the fundamental period To and the fundamental frequency . Otherwise, prove that the signal is not periodic. (a) x(t) = cos31 + sin 5t. (b) x(1) = cost + sint. (c) x(1) = cos (31) + sin (91) (d) x(t) =cos (3) + sin (4πt) + cos(5)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:2.11. For each signal, if it is periodic, find the fundamental period To and the fundamental
frequency . Otherwise, prove that the signal is not periodic.
(a) x(t) = cos31 + sin 5t.
(b) x(1) = cost + sint.
(c) x(1)
= cos (31) + sin (91)
(d) x(t) =cos (3) + sin (4πt) + cos(5)
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