If is a unit vector perpendicular to the vectors and , write another unit vector perpendicular to and.
We know that cross product of two vectors gives us a vector which is perpendicular to both the vectors. And keeping in mind that is a Unit vector we get the equation –
→ (Vector divided its magnitude gives unit vector)
is perpendicular to and
Thus, is another unit vector perpendicular to
Alternative Solution –
Since is perpendicular to , any unit vector parallel/anti-parallel to will be perpendicular to .