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Unformatted text preview: . Thus, we can interpret ( x , y ) = ( f ( t ), g ( t )) as the position of a particle at time t . The parametric equations have an advantage––they tell us when the particle was at a point. They also indicate the direction of the motion. These are called parametric equations . Graphing devices are particularly useful when sketching complicated curves. For instance, these curves would be virtually impossible to produce COMPLEX CURVES by hand....
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 Spring '08
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 Equations, Parametric Equations, Polar Coordinates, Parametric equation, Conic section, Parametric Parametric Equations

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