An electric current, I, in amps, is given by I=cos (wt) + √8sin (wt), where w≠0 is a constant. What are the maximum and minimum values of I

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Jaylyn Donaldson

Mathematics

6 November, 21:32

An electric current, I, in amps, is given by I=cos (wt) + √8sin (wt), where w≠0 is a constant. What are the maximum and minimum values of I

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Brice Hinton · Answer 1

Just has to be greater than or equal to 0 ... w and t can never be negative since taking the square root of a negative number yields an imaginary number which would mean imaginary current. Also the question states that w can't be zero but if T is zero than the current will be zero.