Tangent 2D --- Introduction ---

This module is a classical exercise of plane geometry. The server generates a random plane curve (cartesian, parametrized or polar according to the initial choice), and present its equation as well as a drawing. And you will be asked to compute the equation of the tangent or normal line of the curve at a given point.

This exercise accepts several configuration parameters which determine the aspect and the level of difficulty of the problem asked.

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