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Question. Express the real part of each of the following signals in the form Ae " cos(wt + ), where A, a, w, and o are real numbers with A20 and -T < ¢ s T: (a) x1(1) = -2 (c) x3(1) = e sin(3t + 7) (b) x2(1) = /2elA cos(3t + 27) je-3 %3D (d) x4(t) = -2+j100)

Question. Express the real part of each of the following signals in the form Ae " cos(wt + ), where A, a, w, and o are real numbers with A20 and -T < ¢ s T: (a) x1(1) = -2 (c) x3(1) = e sin(3t + 7) (b) x2(1) = /2elA cos(3t + 27) je-3 %3D (d) x4(t) = -2+j100)

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.22P
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Q 2 Question. Express the real part of each of the following signals in the form Ae-a" cos(wt + 4), where A, a, w, and o are real numbers with A >0 and -T< ¢S T: (a) x(t) = -2 (c) x3(1) = e' sin(3t + 7) (b) x2(1) = /2elA cos(3t + 27) (d) x4(1) = je'-2+j100)|
Transcribed Image Text:Q 2 Question. Express the real part of each of the following signals in the form Ae-a" cos(wt + 4), where A, a, w, and o are real numbers with A >0 and -T< ¢S T: (a) x(t) = -2 (c) x3(1) = e' sin(3t + 7) (b) x2(1) = /2elA cos(3t + 27) (d) x4(1) = je'-2+j100)|
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