Find the angles between the following pairs of vectors :`vec A= -2hati + 2hatj -hatk and vec B=3hati +6hatj +2hatk`.

Find the angles between the following pairs of vectors : vec A= 2hati - 4hatj+ 6hatk and vec B=3hati +hatj +2hatk .

Find the angles between the following pairs of vectors : vec A= hati + hatj + hatk and vec B = -2hati-2hatj-2hatk .

Find the angles between the following pairs of vectors: (i) vec(A) = hati + hatj +hatk and vec(B) =- 2hati - hatj - 2 hatk . (ii) vec(A) =- 2hati +2hatj - hatk and vec(B) = 3hati + 6 hatj +2 hatk (iii) vec(A) = 4 hati +6 hatj - 3 hatk and vec(B) =- 2hati - 5hatj +7 hatk

The angle between the following pair of vectors vec(A)=hati+hatj+hatkandvec(B)=-hati-hatj+2hatk is

Find the angel between the following pairs of vectors 3hati+2hatj-6hatk, 4hati-3hatj+hatk

Find the angle between the following pairs of lines : (i) vec(r) = 2 hati - 5 hatj + hatk + lambda (3 hati + 2 hatj + 6 hatk ) and vec(r) = 7 hati - 6 hatk + mu (hati + 2 hatj + 2 hatk) (ii) vec(r) = 3 hati + hatj - 2 hatk + lambda (hati - hatj - 2 hatk ) and vec(r) = 2 hati - hatj - 56 hatk + mu (3 hati - 5 hatj - 4 hatk) .

Find the angel between the following pairs of vectors 2hati-3hatj+hatk, 3hati-hatj-2hatk

Find the angel between the following pairs of vectors hati-2hatj+3hatk, 3hati-2hatj+hatk

Find the angle between the following vectors : (i) veca = 2hati-6hatj+3hatk and vecb = hati+2hatj-2hatk (ii) veca=6hati+3hatj-2hatk and vecb=4hati-2hatj+9hatk

Find the angle between the vectors vec A = hati + hatj + hatk and vec B =-hati - hatj + 2hatk .