Problem 6.3 Use the concept of the phasor to combine the following sinusoidal functions into a single trigonometric expression: a.) y = 30 cos(200t – 160°) + 15 cos(200t + 70°). b.) y = 90 sin(50t – 20°) + 60 cos(50t – 70°). c.) y = 50 cos(5000t - 60°) + 25 sin(5000t + 110°) - 75 cos(5000t - 30°). d.) y = 10 cos(wt + 30°) + 10 sin wt + 10 cos(wt + 150°). %3D

Problem 6.3 Use the concept of the phasor to combine the following sinusoidal functions into a single trigonometric expression: a.) y = 30 cos(200t – 160°) + 15 cos(200t + 70°). b.) y = 90 sin(50t – 20°) + 60 cos(50t – 70°). c.) y = 50 cos(5000t - 60°) + 25 sin(5000t + 110°) - 75 cos(5000t - 30°). d.) y = 10 cos(wt + 30°) + 10 sin wt + 10 cos(wt + 150°). %3D

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.3MCQ: If a phasor representation of a current is given by I=70.745A, it is equivalent to a. 100e/45 b....

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