Question: The projections of a vector on the three coordinate axis are $6,-3,2$ respectively. The direction cosines of the vector are :-
$\frac{6}{7}, \frac{-3}{7}, \frac{2}{7}$
$\frac{-6}{7}, \frac{-3}{7}, \frac{2}{7}$
$6,-3,2$
$\frac{6}{5}, \frac{-3}{5}, \frac{2}{5}$
Correct Option: 1
Solution:
