Use the concept of the phasor to combine the following sinusoidal functions into a single trigonometric expression: (a) v(t) = 30 cos(200rt – 160°) + 15 cos(2007t + 70°) mV. (b) v(t) = 90 sin(50at – 20°) + 60 cos(50rt – 70°) + 10 sin(50at) V.

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Author:James Kurose, Keith Ross
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Use the concept of the phasor to combine the following sinusoidal functions into a single
trigonometric expression:
(a) v(t)
= 30 cos (200Tt – 160°) + 15 cos(200rt + 70°) mV.
(b) v(t) = 90 sin(507t – 20°) + 60 cos(50rt – 70°)+ 10 sin(507t) V.
Transcribed Image Text:Use the concept of the phasor to combine the following sinusoidal functions into a single trigonometric expression: (a) v(t) = 30 cos (200Tt – 160°) + 15 cos(200rt + 70°) mV. (b) v(t) = 90 sin(507t – 20°) + 60 cos(50rt – 70°)+ 10 sin(507t) V.
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