Can a vector have direction angles `45^0,60^0,120^0`

Can a vector have direction angles 45^@ , 60^@ and 120^@ ?

Can v vector have direction angles as 45 ^(@), 60^(@), 120^(@) ?

Can a line have direction angles 45^circ, 60^circ, 135^circ ?

If a vector has direction angles 45^(@) and 60^(@) find the third direction angle.

The unit vector in XOZ plane and making angles 45^@ and 60^@ respectively with vec(a)=2i+2j-k and vecb=0i+j-k , is

The unit vector in XOZ plane and making angles 45^@ and 60^@ respectively with vec(a)=2i+2j-k and vecb=0i+j-k , is

Can a line make angle 45^(@), 60^(@), 120^(@) with x-,y- and z-axes respectively.