The non zero vectors `veca,vecb, and vecc ` are related byi `veca=8vecb nd vecc=-7vecb.` Then the angle between `veca and vecc` is (A) `pi` (B) 0 (C) `pi/4` (D) `pi/2`

The non-zero vectors veca,vecb and vecc are related by veca=8vecb and vecc=-7vecb . Then the angle between veca and vecc is :

The non-zero vectors veca, vecb and vecc are related by veca = 8 vecb and vecc=-7 vecb. Then the angle between veca and vecc is :

The non zero vectors veca,vecb and vecc are related by veca=(8) vecb and vecc=-7vecb. Then angle between veca and vecc is (A) pi/2 (B) pi (C) 0 (D) pi/4

If veca+vecb+vecc=0, |veca|=3, |vecb|=5, |vecc|=7, then angle between veca and vecb is (A) pi/6 (B) (2pi)/3 (C) (5pi)/3 (D) pi/3

If veca,vecb,vecc are unit vectors such that veca is perpendicular to vecb and vecc and |veca+vecb+vecc|=1 then the angle between vecb and vecc is (A) pi/2 (B) pi (C) 0 (D) (2pi)/3

If veca,vecb,vecc are unit vectors such that veca is perpendicular to vecb and vecc and |veca+vecb+vecc|=1 then the angle between vecb and vecc is (A) pi/2 (B) pi (C) 0 (D) (2pi)/3

Let veca, vecb and vecc be unit vectors such that veca.vecb=0 = veca.vecc . It the angle between vecb and vecc is pi/6 then find veca .

If veca,vecb and vecc are non coplanar and unit vectors such that vecaxx(vecbxxvecc)=(vecb+vecc)/sqrt2 then the angle between veca and vecb is (A) (3pi)/4 (B) pi/4 (C) pi/2 (D) pi

Let vea, vecb and vecc be unit vectors such that veca.vecb=0 = veca.vecc . It the angle between vecb and vecc is pi/6 then find veca .