Two vectors P→ and Q→ are inclined to each other at angle θ. Which of the following is the unit vector perpendicular to P→ and Q→ ?
P→×Q→P⋅Q
P^×Q^sinθ
P→×Q^PQsinθ
P^×Q→PQcosθ
P^×Q^,P→×Q^ as well asP^×Q→ all are perpendicular to P→ and Q→. Here only in case (2), the magnitude is equal to 1.