Interoperable interactive geometry for Europe
I forgot my login data

Report a bug

Fan club

Quick Intro Videos
click to start movie
Create A Simple
GeoGebra Resource (25Mb)
click to start movie
Filing a review
click to start movie
Find a Resource

This platform is brought to you by the intergeo project, funded under the eContent Plus programme of the European commission and by partners

Review for "introduction au cosinus"

une excellent manière d'aborder cosinus

Global comment:

Review filed on 2010/09/21 21:58 by touraille.

Activité testée auprès d'une dizaine de classe de 4ème. Satisfait ou remboursé ! Elle permet aux élèves de découvrir que le cosinus correspond à une situation de proportionnalité, fonction de l'angle. Elle permet aux élèves un 1er apprentissage du passage entre le cosinus et l'angle.
This review concludes a trial in classroom.

Usage conditions

Hardware setup

  • one computer per learner

Learner organization

    • at least a learner manipulates the figures

More about the context of usage (free comments):

Update the selected educational level(s) for this resource.

Educational levels: levelQuatrième de Collège.

Radio buttons: more on the left side to say that I don't agree, more on the right side to say that I agree