Daca in triunghiul ABC ,m(<A)=90 grade si sin B=1/2 atunci sin C=..?



Răspuns :

Daca sin B = 1/2 ==> m(<B)=30 grade
m(<C)= 180 - (30+90) = 60 de grade
sin C= sin 60 grade = [tex] \frac{ \sqrt{3} }{2} [/tex]