Find the values of x for which the angle between the vectors `veca=-3hati+xhatj+hatk and vecb=xhati+2xhatj+hatk` is acute nd the angle between `vecb` and x-axis lies between `pi/2` and `pi`.

The values of x for which the angle between the vectors veca = xhati - 3hatj - hatk and vecb = 2xhati + xhatj - hatk is acute and the angle between b and y-axis lies between pi/2 and pi are:

The angle between the two vectors vecA=hati+2hatj-hatk and vecB=-hati+hatj-2hatk

The values of x for which the angle between the vectors veca =xhati - 3hatj-hatk and vecb = 2x hati + x hatj -hatk is acute, and the angle, between the vector vecb and the axis of ordinates is obtuse, are

Find the angle 'theta' between the vector veca=2hati+3hatj-4hatk and vecb=3hati-2hatj+4hatk .

Find the sine of the angle between the vectors veca=2hati-hatj+3hatk and vecb=hati+3hatj+2hatk .

The angle between the two vectors vecA=2hati+3hatj+4hatk and vecB=1hati+2hatj-3hatk will be :

The angles between the two vectors vecA=3hati+4hatj+5hatk and vecB=3hati+4hatj-5hatk will be

Find the vector of magnitude 3, bisecting the angle between the vectors veca=2hati+hatj-hatk and vecb=hati-2hatj+hatk .

The value of x for which the angle between veca = 2x^(2) hati + 4x hatj =hatk +hatk and vecb = 7hati -2hatj =x hatk , is obtuse and the angle between vecb and the z-axis is acute and less than pi//6 , are

Find the angle between the vectors veca = 6 hati + 2 hatj + 3 hatk, vecb = 2 hati - 9 hatj + 6 hatk