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Vincent66
@Vincent66
January 2021
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EDF est un triangle rectangle en D avec ED=16M et EF=34M
1)Calculer la longueur DF dans ce triangle rectangle DEF rectangle en D .
2)Calculer les valeurs éxactes de CosDEF SinDEF et TanDEF
Donnez les réponses sous formes de fractions irréductibles
3)Sans calcul en déduire CosDFE et TanDFE
Merci d avance ( je met 19 pts )
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Vincent66
January 2021 | 0 Respostas
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