Two vectors A̅ and B̅ are of an angle θ. If A̅ + B̅ makes an angle 30° with A̅ and A̅ − B̅ makes same angle with A̅. Then θ = ° and |A| |B| (give =, > or
Two vectors A̅ and B̅ are of an angle θ. If A̅ + B̅ makes an angle 30° with A̅ and A̅ − B̅ makes same angle with A̅. Then θ = ° and |A| |B| (give =, > or