Find the angle between the vectors `3hati+4hatj and 2hatj-5hatk`.

the angle between the vectors (hati+hatj) and (hatj+hatk) is

The angle between the vectors (hati+hatj) and (hatj+hatk) is

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

Find the angle betwene the vecrtors 3hati+4hatj+5hatk and hati+hatj+hatk . Also find the sine of the angle between them.

Find the angle between the vectors 4hati-2hatj+4hatk and 3hati-6hatj-2hatk.

Find the angle between the vectors 2hati-hatj+hatkand3hati+4hatj-hatk .

The sine of the angle between the vector a=3hati+hatj+hatk and b=2hati-2hatj+hatk is

The angle between vectors (hati+hatj) and (hatj+hatk) is :