The angle between the vectors ` 2i - 3j + k` and `4i+ j-2k ` is given by

The angle between the vectors (i + j + k) and (i- j - k) is

The angle between the vectors i+j and j+k is

The angle between the vectors i-j+k and -i+j+2k is

Let vector of magnitude 3 sqrt(6) along the internal bisector of the angle between the vectors 4i - 7j + 4k and i + 2j - 2k is

" The angle between the vectors "2i+j-3k" and "3i-2j-k" is "

If theta is th angle between the vector 2i - 2j + 4k and 3i + j + 2k, then sin theta =

Find angle between the vectors 2i+j+k" and "i-j+k .