Question

Two vectors vec A and vec B are inclined at an angle theta .Write the expression for the magnitude of their cross product.​

Answer 1

The magnitude of cross product of two vectors A and B which are inclined at an angle θ will be |A| |B| sinθ

• Their cross product of two vectors A and B has a magnitude of 1 if the two are perpendicular and a magnitude of zero if the two are parallel.
• The cross product of two vectors A and B : A→×B→ = |A→| |B→| sinθ n∧, where n cap is the unit normal vector to the plane.