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Compound Angle Formula : Current, Voltage and Phase Angle

1. Alternating currents are given by:

and

By making use of the Compound Angle Formulae determine:

a. The maximum value of the resultant current

b. Its frequency

c. Its Phase angle

2. The voltage and current in a circuit are given by:

and

By making use of Products to Sums Formulae determine the instantaneous power p in the circuit if p = vi expressing the answer as a sum or difference of sines and cosines.

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Compound Angle Formula, Current, Voltage and Phase Angle are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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