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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

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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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(@t + 30°) + 10 sin wt + 10 cos(wt + 150°). %3D %3D
Transcribed Image Text: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(@t + 30°) + 10 sin wt + 10 cos(wt + 150°). %3D %3D
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can you please go into more detail for each problem..

im not understanding how to calculate after the expression is put into the frequency domain, explain the math also how to insert it in a calculator 

how did we go from30 angle -160 degree into 23.38 angle 170.55 degrees 

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