Tutorial on Sinusoids - Part 4
That's right. The cosine function has a maximum value of one. Therefore the maximum value of v(t) = 220cos(50t - 67°) is 220 volts.
At what time t does v(t) reach its first maximum? Give your answer in milliseconds, and round to the nearest millisecond.
After you get the answer, please click on an option:
Go on to the next
part of the tutorial.
Go back to the main
menu.
© 1999 Thomas G. Cleaver. All rights reserved. |