Parametric Equation (tant, t^2)

The equation is (tant, t^2) with -npi<t<npi. Why does it look like this?

 

madigala

 
Material Type
Activity
Tags
parametric 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.0
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1123
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