A = `vec(i) + vec(j)` . What is the angle between the vector and x-axis ?

If the angle between the vectors vec(a) and vec(b) is (pi)/(3) , what is the angle between -5vec(a) and 6 vec(b) ?

(i) Write the scalar componets of 3 hat i - 2 hat j + 5 hat k . (ii) Find the angle between the vectors hat i + hat j and hat i - hat j . (iii) Find |vec x| , if veca is a unit and (vec x + vec a) .(vec x - vec a) = 0 .

If the angle between the vectors vec(a) and vec(b) is (pi)/(3) . Then what is the angle between -5 vec(a) and 6 vec(b) ?

Given vector vec A=2hat i+3hat j ,then the angle between vec A and y -axis is "

The set of values of x for which the angle between the vectors vec a=xhat i-3hat j-hat k and vec b=2xhat i+xhat j-hat k acute and the angle between the vector vec b and the axis of ordinates is obtuse,is

Find the angle between two vectors vec(A)=2i+j-k and vec(B)=i-k .

The vector vec x directed along the bisector of the angle between the vector vec a=7vec i-4vec j-4vec k and vec b=-2vec i-vec j+2vec k if |x|=45 is

If vec a = i +j and vec b = j-k then the angle between vec a + vec b and vec a - vec b is