If the directions cosines of a vector of magnitude 3 are `(2/3,(-a)/3,2/3)` and `agt0` then the vector is

If direction cosines of a vector of magnitude 3 are (2)/(3), -(a)/(3), (2)/(3) and a gt 0 , then vector is ________

If direction cosines of a vector of magnitude 3 are 2/3 , - 9/3 , 2/3 and a gt 0 , then vector is _______

If the direction consines of a vector of magnitude 3 are (2)/(3) , (-a)/(3), (2)/(3), alpha gt 0 , then the vectors is

If the direction cosines of a vector of magnitude 3 are ,a>0 , then the vector is :

The direction cosines of the vector 3hati+4hatk are

The direction cosines of the vector 3hati+4hatk are

Find the direction cosines of the vectors: 3hati+4hatk