Curves homework

  • #1
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Homework Statement



Given the parametric equations,

x=t^3-3t , y=t^2/(1+t^2)

i am asked to sketch this curve.

Homework Equations





The Attempt at a Solution



I am unsure how to get the cartesian equation here..
 

Answers and Replies

  • #2
LCKurtz
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You don't necessarily need the Cartesian equation. Just make a table of values:

t | x | y

List a bunch of values for t and plot the corresponding (x,y) values.

[Edit] The interesting part of the curve is from about t = -1.3 to t = 1.3 or a little farther.
 
Last edited:

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