# Finding frequency from time domain equation

Discussion in 'Homework Help' started by loqwan, Mar 14, 2010.

1. ### loqwan Thread Starter New Member

Dec 15, 2009
5
0
Hi all, I need to find the frequency of this time domain.

e(t) = 67.882 sin 2513 t.

I got 67.882 divided by $\sqrt[]{2}$ = 48V

Frequency = 2513 divided by 2$\Pi$ = 400 Hz

Is this right?