If `veca, vecb, vecc` be three vectors of magnitude `sqrt(3),1,2` such that `vecaxx(vecaxxvecc)+3vecb=vec0` if `theta` angle between`veca` and `vecc` then `cos^(2)theta` is equal to

Let veca, vecb and vecc be three vectors having magnitudes 1,1 and 2 resectively. If vecaxx(vecaxxvecc)+vecb=vec0 then the acute angel between veca and vecc is

Let veca, vecb and vecc be three having magnitude 1,1 and 2 respectively such that vecaxx(vecaxxvecc)+vecb=vec0 , then the acute angle between veca and vecc is

If veca, vecb, vecc are non-coplanar unit vectors such that vecaxx(vecbxxvecc)=(vecb+vecc)/(sqrt(2)) then the angle between veca and vecb is

Let veca,vecb and vecc be the non zero vectors such that (vecaxxvecb)xxvecc=1/3 |vecb||vecc|veca. if theta is the acute angle between the vectors vecb and veca then theta equals (A) 1/3 (B) sqrt(2)/3 (C) 2/3 (D) 2sqrt(2)/3

If veca,vecb,vecc be three that unit vectors such that vecaxx(vecbxxvecc)=1/2 vecb, vecb and vecc veing non parallel. If theta_1 is the angle between veca and vecb and theta_2 is the angle between veca and vecb then (A) theta_1 = pi/6, theta_2=pi/3 (B) theta_1 = pi/3, theta_2=pi/6 (C) theta_1 = pi/2, theta_2=pi/3 (D) theta_1 = pi/3, theta_2=pi/2

If vecA xx vecB= vec0 and vecB xx vecC=vec0 , then the angle between vecA and vecC may be :

If veca, vecb and vecc are three vectors, such that |veca|=2, |vecb|=3, |vecc|=4, veca. vecc=0, veca. vecb=0 and the angle between vecb and vecc is (pi)/(3) , then the value of |veca xx (2vecb - 3 vecc)| is equal to

Let veca, vecb and vecc be three unit vectors such that vecaxx(vecbxxvecc)=(sqrt(3))/2(vecb+vecc) . If vecb is not parallel to vecc , then the angle between veca and vecb is

Let veca, vecb, vecc be three unit vectors such that veca. vecb=veca.vecc=0 , If the angle between vecb and vecc is (pi)/3 then the volume of the parallelopiped whose three coterminous edges are veca, vecb, vecc is

If three unit vectors veca, vecb and vecc " satisfy" veca+vecb+vecc= vec0 . Then find the angle between veca and vecb .