The angle between `3(axxb)` and `1/2(b - (a.b)â)` is

The angle between 3(vec a xxvec b) and (1)/(2)(vec b-(a.b)vec a) is -

The angle between a+2b" and "a-3b if abs(a)=1, abs(b)=2 and angle between a and b is 60^(@) is

The angle between two vectors a and b with magnitudes sqrt3 and 2 respectively, having a.b=sqrt6 is

A : Angle between the vectors I - 2j + k, 2i - j - k is (pi)/(3) . R : If theta is the angle between a,b then cos theta = (a.b)/(|a||b|)

Find the angle between the lines , (a^(2) - ab) y = (ab+b^(2))x+b^(3) , and (ab+b^(2)) y = (ab-a^2)x+a^(3) where a lt b lt 0

Find the angle between the lines , (a^(2) - ab) y = (ab+b^(2))x+b^(3) , and (ab+b^(2)) y = (ab-a^2)x+a^(3) where a lt b lt 0