Find the direction cosines of the vector: `hati+2hatj+6hatk`

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

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

Find the directional cosines of vector (5hati+2hatj+6hatk) . Also write the value of sum of squares of directional cosines of this vector.

Find the directional consines of vector (5hati+2hatj+6hatk) . Also write the value of sum of squares of directional cosines of this vector.

The direction cosines of the vector 3hati-4hatj+5hatk are

The direction cosines of the vector 3hati-4hatj+5hatk are

Find the direction ratios and the direction cosines of the vector vecr= hati + hatj+hatk .

The direction cosines of the vector (2 hati + 2 hatj -hatk) are "___________."

Find magnitude and direction cosines of the vector, A= (3hati - 4hatj+5hatk).

(i) Find the unit vector in the direction of veca+vecb if veca=2hati-hatj+2hatk , and vecb=-hati+hatj-hatk (ii) Find the direction ratios and direction cosines of the vector veca=5hati+3hatj-4hatk .