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Radian Equation

  1. Oct 10, 2008 #1
    1. The problem statement, all variables and given/known data
    Write an equation of a sine function with a amp=(2/3) , Period = 4╥ and a phase shift of ╥/2.

    in radians



    2. Relevant equations



    3. The attempt at a solution
    i got

    y = 2/3 cos (2........
     
  2. jcsd
  3. Oct 10, 2008 #2

    berkeman

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    Staff: Mentor


    Keep going..... (and use the sin function)
     
  4. Oct 12, 2008 #3
    so would the answer be

    y = - 2/3 sin ( 2Θ + π )

    and

    y = 2/3 sin ( 2Θ + π )

    ??
     
  5. Oct 13, 2008 #4

    berkeman

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    Staff: Mentor

    I don't think so. How is the period of these functions defined? How is the phase shift defined?
     
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