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We show how Cartesian method can be used in the proof of fundamentalplanimetric topics of the school course, such as introduction of trigonometricfunctions, equation of a line and similarity of triangles.  This work also can be considered as a plan of the school course of geometry,where the Cartesian method plays the main role.

Possibility of the use of Cartesian method in the proofs of fundamental theorems of school planimetry