Determine if it is a periodic function of the discrete signal below, and if it is a periodic function, find the period. (1) x(n) = sin 3πη 2 (2) x (n) = cos (끝) 5 (3) x(n) = sin(³7) + 4πη 3 2 + cos
Determine if it is a periodic function of the discrete signal below, and if it is a periodic function, find the period. (1) x(n) = sin 3πη 2 (2) x (n) = cos (끝) 5 (3) x(n) = sin(³7) + 4πη 3 2 + cos
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
7
![Determine if it is a periodic function of the discrete
signal below, and if it is a periodic function, find the
period.
(1) x (n) = sin
3πη
2
(2) x (n) = cos(1)
(3) x (n) = sin
3πη
2
+
cos (4)
3
(4) x (n) = exp[in]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc147f606-c205-4a84-bfa5-c0cc221b9f28%2F1ba14fa4-54ba-4fb6-915e-368f83a1c32d%2F8uhjx86_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine if it is a periodic function of the discrete
signal below, and if it is a periodic function, find the
period.
(1) x (n) = sin
3πη
2
(2) x (n) = cos(1)
(3) x (n) = sin
3πη
2
+
cos (4)
3
(4) x (n) = exp[in]
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