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Homework Help: Vector Projections

  1. Sep 9, 2011 #1
    Which of the following curves have the same projection onto the xy plane?
    a) <t, t^2, e^t>
    b) <e^t, t^2, t>
    c) <t, t^2, cost>
  2. jcsd
  3. Sep 9, 2011 #2
    Projecting onto the xy plane means setting z = 0 ?
  4. Sep 9, 2011 #3
    I don't know, but that makes sense.
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