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arctan(1) + arctan(1/2) + arctan(1/3) = π/2
Author:
Vincent Pantaloni
Topic:
Trigonometry
GeoGebra
New Resources
Test d'outil pour trouver les termes de certains polynômes.
Scan to show a conic related to d, F, e.
Nombre de jours entre deux dates.
Activité de découverte
Six solides
Discover Resources
cercle
intersection2plans
Practice Reflecting Points تمارين على عكس النقاط
aire d'un triangle ou d'un parallélogramme
neuf cercles dans un cercle
Discover Topics
Trapezoid
Geometric Transformations
Mode
Sine
Centroid or Barycenter