Recent content by Fysicsfailure

Hey thanks! :) Oh wow...Okay now I got it. Just plug in 1 for t and subtract the two terms in the parentheses. Thanks for the lead!

Homework Statement Find the phase difference between two harmonic oscillators at time t=1 Homework Equations I've already found x(t)= .4 cos(2.1t) and x(t)= .4cos((pi/2)t + pi) The Attempt at a Solution I don't really know where to begin