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Homework Help: General question about wave equation

  1. Apr 6, 2008 #1
    1. The problem statement, all variables and given/known data
    How do you find the phase angle of a wave equation given in the form

    y(x,t) = Acos(kx - wt)


    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Apr 6, 2008 #2
    The general equation for a wave is

    [tex]y(x,t) = Acos(kx - \omega t +\phi)[/tex]

    I'm assuming [tex]\phi[/tex] is what you want.
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