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

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

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

If veca,vecb and vecc are three unit vectors satisfying veca-sqrt(3)vecb+vecc=vec0 then find the angle between veca and vecc ?

If veca,vecb and vecc are unit vectors such that veca+vecb+vecc=vec0 then angle between veca and vecb is

Three vectors veca, vecb and vecc satisfy the condition veca + vecb + vecc = 0 . Find the value of veca.vecb + vecb.vecc + vecc.veca if |veca| = 1, |vecb|= 4, |vecc|= 2 .

If veca+vecb+vecc=vec0 and |veca|=3,|vecb|=5 , and |vecc|=7 , find the angle between veca and vecb .

If veca,vecb,vecc are three vectors such that veca+2vecb+vecc=vec0 and |veca|=3,|vecb|=4,|vecc|=7 , find the angle between veca and vecb .

If veca,vecb and vecc are three unit vectors satisfying veca-vecb-sqrt3 vecc=0 then the angle between veca and vecc is:

If veca +vecb +vecc =vec0, |veca| =3 , |vecb|=5 and |vecc| =7 , then the angle between veca and vecb is