Bonjour pouvez vous m aider svp

Bonjour,

Exercice 2:

AC = 8 / sin(52°)

AC = 10 cm

Exercice 3:

EF = cos(59°) * 7.5  

EF = 3.9 cm

Exercice 4:

LM = tan(20°)x 5.4

LM = 1.96 cm