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Homework Help: Trajectory vs. time from parametric equations of motion

  1. Aug 26, 2015 #1
    1. The problem statement, all variables and given/known data

    Sketch the trajectory over the time interval 0 ≤ t ≤ 10 of the particle whose parametric equations of motion are given by X= t−3sint . And y = 4 − 3cost find the value of x,y,t

    Remember that you should be in Radian mode!

    Do you isolate the t first and plug it in into one of the function above and solve it ? Any suggestion, help and answer will be helpful.
  2. jcsd
  3. Aug 26, 2015 #2
    You do not isolate t.

    A graphing calculator can do it, or you can make a table of values:

    t x y


    Once you have a table, plot x and y in the usual way.
  4. Aug 27, 2015 #3
    ok, thank you
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