Which is the correct mathematical expression of the signal in the figure? -3 10 20 30 40 50 60 80 2Tn (a) In 6 COS 30 (b) Xn = 3 cos 30 2Tn 2Tn (c) In 3 cos 20 6 CoS (d) xn = 20 70 oogooe oo
Which is the correct mathematical expression of the signal in the figure? -3 10 20 30 40 50 60 80 2Tn (a) In 6 COS 30 (b) Xn = 3 cos 30 2Tn 2Tn (c) In 3 cos 20 6 CoS (d) xn = 20 70 oogooe oo
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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Transcribed Image Text:Which is the correct mathematical expression of the signal in the figure?
3
-3
10
20
30
40
50
60
70
80
2Tn
2πη
(а) х, — 6 сos
30
(b) Xn = 3 Cos
30
2Tn
(c) х, — 6 сos
20
(d) хп — 3 сos
20
sooo o0
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