engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Vector Algebra Magnitude and Directions of a Vector
The vector \(\left( {{\rm{cos\alpha \;cos\beta }}} \right){\rm{\;\hat i\;}} + {\rm{\;}}\left( {{\rm{cos\alpha \;sin\beta }}} \right)\widehat {{\rm{\;j\;}}} + {\rm{\;}}\left( {{\rm{sin\alpha }}} \right){\rm{\;\hat k}}\) is
1
Parallel to \(\left( {\hat i + \hat j + \hat k} \right)\)
2
Null vector
3
Unit vector
4
None of the above