Find the unit vector which makes an angle of `45^(@)` with the vector `2hati+2hatj-hatk` and an angle of `60^(@)` with the vector `hatj-hatk`.

Find a unit vector in XY plane which makes an angle 45^(@) with the vector hati + hatj at angle of 60^(@) with the vector 3 hati - 4 hatj.

The vector veca=1/4(2hati-2hatj+hatk) (A) is a unit vector (B) makes an angle of pi/3 with the vector (hati+1/2 hatj-hatk) (C) is parallel to the vector 7/4hati-7/4hatj+7/8hatk (D) none of these

The angle between the vector 2hati+hatj+hatk and hatj ?

Find the unit vector perpendicular to each of the vectors 6hati+2hatj+3hatk and 3hati-2hatk

Find a unit vector perpendicular to each of the vectors hati+2hatj-3hatk and hati-2hatj+hatk .