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11. For f = 2000 and f2 = 2150 %3D %3! a. Find cos(2 xfj () cos(2 xf, ) dt b. What property describes the relationship between cos(2 rf ) and cos(2 rf; 1). c. Let x() = rect ) cos(2 rfit) and x2() = rect ) cos(2 rfz1), find (x()x) dt and relate the result to part a. 20 ms 20 ms

11. For f = 2000 and f2 = 2150 %3D %3! a. Find cos(2 xfj () cos(2 xf, ) dt b. What property describes the relationship between cos(2 rf ) and cos(2 rf; 1). c. Let x() = rect ) cos(2 rfit) and x2() = rect ) cos(2 rfz1), find (x()x) dt and relate the result to part a. 20 ms 20 ms

Advanced Engineering Mathematics
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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11. For fi = 2000 and 2 = 2150 %3D a. Find cos(2 rfj ) cos(2 zfz ) dt Lo01 b. What property describes the relationship between cos(2 afj ) and cos(2 rfz (). c. Let x() = rect ) cos(2 rfjt) and x2() = rect cos(2 nfzt), find x() x() dt and relate the result to part a. 20 ms
Transcribed Image Text:11. For fi = 2000 and 2 = 2150 %3D a. Find cos(2 rfj ) cos(2 zfz ) dt Lo01 b. What property describes the relationship between cos(2 afj ) and cos(2 rfz (). c. Let x() = rect ) cos(2 rfjt) and x2() = rect cos(2 nfzt), find x() x() dt and relate the result to part a. 20 ms
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