Given i(t)=5 cos (411t-120°) A, determine the frequency of the current. Notes on entering solution: - Enter your solution in hertz(Hz) - Enter your solution to the nearest hundredth (2 decimal places) - Do not include units in your answer - ex. 5Hz is entered as 5.00
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Step 1
The argument of the cosine function, \( 411t - 120^{\circ} \), includes the angular frequency \(\omega\) in the form of \( \omega t \). Here, \(\omega = 411\) rad/s. Show more…
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