The acute angle that the vector `2hati-2hatj+2hatk` makes with the plane determined by the vectors `2hati+3hatj-hatk` and `hati-hatj+2hatk` is

The acute angle that the vector 2hati-2hatj+hatk makes with the plane determined by the vectors 2hati+3hatj-hatk and hati-hatj+2hatk is

If the acute angle that the vector alphahati+betahatj+gammahatk makes with the plane of the two vectors 2hati+3hatj-hatk and hati-hatj+2hatk is tan^(-1)1/(sqrt(2)) then

If the acute angle that the vector alphahati+betahatj+gammahatk makes with the plane of the two vectors 2hati+3hatj-hatk and hati-hatj+2hatk is tan^(-1)(1/(sqrt(2))) then

Find the angle between the vectors 2hati+3hatj-6hatk" " and 6hati-3hatj+2hatk

The angle between the two vectors -2hati+3hatj-hatk and hati+2hatj+4hatk is

Find the angle between the vector 2hati-3hatj+hatk and hati+hatj-2hatk .

The angle between the two vectors -2hati+3hatj+hatk and hati+2hatj-4hatk is -