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Découverte du cosinus (geolabo)

(one review on 2010-12-14)

Figure permettant de visualiser le fait que les côtés des triangles rectangles ayant un angle aigu en commun ont des longueurs proportionnelles.

This Resource is Copied from a First-Steps Trace

Coming from trace cosinus (geolabo)? which mentioned 1 constructions.

  • Geometry system: Geolabo.
  • Country: fr
  • Educational level: 4e
  • Main topic: Trigonometry
  • Other themestriangle rectangle, cosinus, proportionnalité

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