Find the direction cosines of the vector `2hati+hatj+3hatk`

Find the direction cosines of the vector hati+2 hatj+3 hatk

Find the direction cosines of the vector 2hati+2hatj-hatk

The direction cosines of the vector hati-5hatj+8hatk are

Find the projection of the vector veca=2 hati+3 hatj+2 hatk on the vector vecb=hati+2 hatj+hatk .

Find a vector in the direction of the vector '-hati+2 hatj+2 hatk' that has magnitude '7 .'

Find the unit vector in the direction of the vector veca=hati+hatj+2 hatk

Find unit vector in the direction of vector veca= 2 hati+3 hatj+hatk

Find the unit vector in the direction of the sum of the vectors, veca=2 hati+2 hatj-5 hatk and vecb=2 hati+2 hatj+3 hatk

Find a vector in the direction of vector 5 hati-hatj+2 hatk which has magnitude 8 units.

Write the direction ratio's of the vector, veca=veci+hatj-2 hatk and hence calculate its direction cosines.