If `|vec(P) + vec(Q)| = |vec(P) - vec(Q)|` , find the angle between `vec(P)` and `vec(Q)`.

If vec(P).vec(Q)= PQ , then angle between vec(P) and vec(Q) is

If vec(P).vec(Q)= PQ , then angle between vec(P) and vec(Q) is

If vec(P).vec(Q)=1 , then what is the angle between vec(P) and vec(Q) ?

Three vectors vec(P) , vec(Q) and vec( R) are such that |vec(P)| , |vec(Q )|, |vec(R )| = sqrt(2) |vec(P)| and vec(P) + vec(Q) + vec(R ) = 0 . The angle between vec(P) and vec(Q) , vec(Q) and vec(R ) and vec(P) and vec(R ) are

If between vec(P),vec(Q) and vec(R) have magnitudes 5,12 and 13 units and vec(P) + vec(Q) = vec(R) , find the angle between vec(Q) and vec(R) .

If vec(P).vec(Q) = 0 , then what is the angle between vec(P) and vec(Q) ?

If |vec P xx vec Q|=PQ then the angle between vec P and vec Q is

The resultant vec(P) and vec(Q) is perpendicular to vec(P) . What is the angle between vec(P) and vec(Q) ?

The resultant vec(P) and vec(Q) is perpendicular to vec(P) . What is the angle between vec(P) and vec(Q) ?

Three vectors vec(P), vec(Q), vec(R) obey vec(P) + vec(Q) = vec(R) and P^(2) + Q^(2) = R^(2) the angle between vec(P) & vec(Q) is