Bonjour Quelqun pourrait résoudre cet exercice ? Merci d’avance.

Moyen mnémothectique : SOHCAHTOA

1))
Cos B = adj/hypo = BA/BC
Tan C = opp/adj = AB/AC

2))
Sin E = opp/hypo = FD/FE
Cos F = adj/hypo = FD/ FE

3))
Sin J = opp/hypo = KL/JL
Tan L = opp/adj = KJ/KL

4))
Sin M = opp/hypo = NO/MO
Cos M = adj/hypo = MN/MO