Tangent line

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Computes the tangent line of a circumference through a point.

Syntax

tangent_line(Circumference, Real)

tangent_line(Circumference, Point)

Given a circumference and a real α, constructs the tangent line passing through the point of angle α.

Given a circumference and a point P belonging to the circumference, constructs the tangent line passing through P.

Syntax Description