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9.11 Use the concept of the phasor to combine the fol- lowing sinusoidal functions into a single trigono- metric expression:

9.11 Use the concept of the phasor to combine the fol- lowing sinusoidal functions into a single trigono- metric expression:

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Circuits 1 HW 6 Q4
9.11 Use the concept of the phasor to combine the fol lowing sinusoidal functions into a single trigono- metric expression:
Transcribed Image Text:9.11 Use the concept of the phasor to combine the fol lowing sinusoidal functions into a single trigono- metric expression:
a) y = 100 cos (300t + 45°) + 500 cos(300t -60°), b) y = cos(377t +30°) - 150 sin(377t +140°), 60 cos (100t + 60°) - 120 sin(100t – 125°) +100 cos (100t + 90°), and c) y = 900 250 d) y = 100 cos (wt + 40°) + 100 cos(wt + 160°) + 100 cos (wt - 80°).
Transcribed Image Text:a) y = 100 cos (300t + 45°) + 500 cos(300t -60°), b) y = cos(377t +30°) - 150 sin(377t +140°), 60 cos (100t + 60°) - 120 sin(100t – 125°) +100 cos (100t + 90°), and c) y = 900 250 d) y = 100 cos (wt + 40°) + 100 cos(wt + 160°) + 100 cos (wt - 80°).
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