This module is an exercise on plane parametric curves.
The questions asked are very simple: one graphically shows the parametric curve,
with an animation illustrating the position of the point on the curve with
respect to the value of the parameter $t$, but without giving the functions
which define the curve. Then via a multiple choice quizz, you are asked to determine
either the values of the functions defining the curve, or the values of the
derivatives of these functions, or both, for the case where $t=0$.
Expert menu for the parameters of this exercise.

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Description: from a parametric curve, recognize values or derivatives of functions. Animated graphics. interactive exercises, online calculators and plotters, mathematical recreation and games, Pôle Formation CFAI-CENTRE

Keywords: CFAI,interactive math, server side interactivity, geometry, analysis, functions, graph, curves, parametric_curves, derivative