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Math Help - find an equation in x and y whose graph is the path of the particle

  1. #1
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    find an equation in x and y whose graph is the path of the particle

    r(t) = cos(2t) + 3sin(2t) t=0
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  2. #2
    Senior Member Sampras's Avatar
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    Is it  r(t) = \cos 2t + 3t \sin 2t ?
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  3. #3
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    nope r(t) = cos(2t)i + 3sin(2t)j t=0
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  4. #4
    Senior Member Sampras's Avatar
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    Let  x = \cos 2t and  y = 3t <br />
\sin 2t .
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