Respuesta :

Danboghiu66

Answer:

X=30⁰

Step-by-step explanation:

Cos(x)=(s(6)+2×s(3))/(4+2×s(2))

Where s(..) = sqrt(..))

Cos(x)=s(3)×(s(2)+2)/(2×(2+s(2))=s(3)/2

Thus: x=30⁰