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For time-harmonic fields it is convenient to use a phasor notation. Phasors are complex- valued but they do not depend explicitly on time. Use phasors to solve the following problem. Express: 3 cos wt - 4 sin wt, as: (a) A₁ cos(wt +0₁) (b) A₂ sin(wt +0₂) In other words, you have to determine A₁, A2, 01, 02

For time-harmonic fields it is convenient to use a phasor notation. Phasors are complex- valued but they do not depend explicitly on time. Use phasors to solve the following problem. Express: 3 cos wt - 4 sin wt, as: (a) A₁ cos(wt +0₁) (b) A₂ sin(wt +0₂) In other words, you have to determine A₁, A2, 01, 02

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Answer:A1 = 5 ,θ1 = 53.1 ,A2 = 5  ,θ2 = 143.1

For time-harmonic fields it is convenient to use a phasor notation. Phasors are complex- valued but they do not depend explicitly on time. Use phasors to solve the following problem. Express: 3 cos wt - 4 sin wt, as: (a) A₁ cos(wt + 0₁) (b) A₂ sin(wt + 0₂) In other words, you have to determine A₁, A2, 01,02
Transcribed Image Text:For time-harmonic fields it is convenient to use a phasor notation. Phasors are complex- valued but they do not depend explicitly on time. Use phasors to solve the following problem. Express: 3 cos wt - 4 sin wt, as: (a) A₁ cos(wt + 0₁) (b) A₂ sin(wt + 0₂) In other words, you have to determine A₁, A2, 01,02
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