[" If "vec a" and "vec b" are two vectors such that "|vec a|=1,|vec b|=4,vec a*vec b=2." If "vec c=(2vec a timesvec b)-3vec b" then angle "],[" between "vec b" and "vec c" is "]

If vec a and vec b are two vectors such that |bar(a)|=1,|vec b|=4,vec a*vec b=2 .If vec c=(2vec a timesvec b)-3vec b then find the angle between bar(b) and vec c is theta .Find (6 theta)/(pi)

If vec a and vec b are two vectors such that |vec a|=4,|vec b|=3 and vec a*vec b=6. Find the angle between vec a and vec b

If vec a and vec b are two vectors such that |vec a|=4,|vec b|=3 and vec avec b=6. Find the angle between vec a and vec b

If vec a and vec b are two vectors such that | vec a|=4,| vec b|=3 and vec a . vec b=6 . Find the angle between vec a and vec b .

Let vec a and vec b be two vectors such that |vec b|=1 and |vec b timesvec a|=2 .Then |(vec b timesvec a)-vec b|^(2) is equal to

If vec a and vec b are vectors such that |vec a + vec b| = |vec a - vec b| , then the angle between vec a and vec b is

If |vec a|+|vec b|=|vec c| and vec a+vec b=vec c, then find the angle between vec a and vec b

If vec a,vec b,vec c are three vectors such that vec a=vec b+vec c and the angle between vec b and vec c is pi/2, then