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geometry

Geometry
April 20, 20220Comments

Vector rotations of the plane: the analytical approach

The vector rotations of the plane (i.e. centred in the origin), are derived analytically (by coordinates) as linear applications of determinant \(1\), which makes it possible to characterise them integrally
Geometry
September 13, 20210Comments

The Euclidean Plane: Ancient Geometry and Modern Approach

From Descartes' analytic approach, which consists in introducing coordinates to represent the points of the plane, and from Cauchy's construction of the real numbers, we can give a modern representation

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