Ask Question
14 April, 00:25

Analysis of the voltage in certain types of circuits involves terms of the form sin (nw^0t-90 degrees) where n is a positive integer, w0 is the frequency of the voltage, and t is time. Use an identity to simplify this expression.

A. cscnw0t

B.-cscnw0t

C. cosnw0t

D.-cosnw0t

+2
Answers (1)
  1. 14 April, 00:51
    0
    D. - cos (nw0t)

    Step-by-step explanation:

    Subtracting 90° from the argument of the sine function shifts its graph 90° to the right, putting the negative peak on the y-axis. That corresponds to the negative cosine function, choice D.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Analysis of the voltage in certain types of circuits involves terms of the form sin (nw^0t-90 degrees) where n is a positive integer, w0 is ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers