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4. State whether or not these signals are periodic. If they are periodic, give their fundamental period. a) f(t)= 7.sin(8πt) b) f(t) = sin(t + 5) c) f(t) = cos (t) + sin(t +) d) f(t) = cos(3t) + cos(√3t) e) f[n] = cos(3π) + cos(7n) f) f[n] = ej3t g) f[n] = 10 + ejбnt

4. State whether or not these signals are periodic. If they are periodic, give their fundamental period. a) f(t)= 7.sin(8πt) b) f(t) = sin(t + 5) c) f(t) = cos (t) + sin(t +) d) f(t) = cos(3t) + cos(√3t) e) f[n] = cos(3π) + cos(7n) f) f[n] = ej3t g) f[n] = 10 + ejбnt

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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4. State whether or not these signals are periodic. If they are periodic, give their fundamental period. a) f(t) = 7.sin(8nt) b) f(t) = sin(t + 5) c) f(t) = cos (t) + sin(t + d) f(t) = cos(3t) + cos(√3t) e) f[n] = cos(3π) + cos(7n) f) f[n] = ej³t g) f[n] = 10 + ejбnt
Transcribed Image Text:4. State whether or not these signals are periodic. If they are periodic, give their fundamental period. a) f(t) = 7.sin(8nt) b) f(t) = sin(t + 5) c) f(t) = cos (t) + sin(t + d) f(t) = cos(3t) + cos(√3t) e) f[n] = cos(3π) + cos(7n) f) f[n] = ej³t g) f[n] = 10 + ejбnt
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