CORRECTION DES EXERCICES
Exercice 14 page 208. 1) Si cos (50°) = AB. 4. , alors AB = 4×cos(50°). 2) Si tan (35°) = 7. EF. , alors EF = 7 tan(35°) . Exercice 23 page 209. Le triangle BIT ...
Exercice 14 page 208. 1) Si cos (50°) = AB. 4. , alors AB = 4×cos(50°). 2) Si tan (35°) = 7. EF. , alors EF = 7 tan(35°) . Exercice 23 page 209. Le triangle BIT ...