April 2019 2 50 Report

Déterminer, dans chaque cas, l'arrondi au dixième de la mesure, en dégré, de l'angle COD.

a. cos COD = 0.608 76

b. cos COD = 0.192

c. cos COD = 0.976

d. cos COD = 0.444

Expliquez moi comment on fait. Merchii! ^^

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