If the area of a triangle of sides `vecA & vecB` is equal to `(AB)/(4)`, then find the acute angle between `vecA & vecB`.

The area of triangle having adjacent sides veca and vecb is :

(vecAxxvecB)= sqrt3 vecA*vecB then find the angle between vecA and vecB .

If veca . vecb =ab then the angle between veca and vecb is

Two vectors vecA" and "vecB have equal magnitudes. If magnitude of vecA+vecB is equal to n times the magnitude of vecA-vecB , then the angle between vecA" and "vecB is :-

Two vectors vecA" and "vecB have equal magnitudes. If magnitude of vecA+vecB is equal to n times the magnitude of vecA-vecB , then the angle between vecA" and "vecB is :-

If vecA*vecB=AB , then angle between vecA and vecB will be …... .

If vector (veca+ 2vecb) is perpendicular to vector (5veca-4vecb) , then find the angle between veca and vecb .

If |vecA + vecB| = |vecA - vecB| , then the angle between vecA and vecB will be

If |vecA + vecB| = |vecA - vecB| , then the angle between vecA and vecB will be