If vecP = 3hati+ 4hatj + 12hatk then find magnitude and the direction cosines of vecP .
If vec(OP)=2hati+3hatj-hatk and vec(OQ)=3hati-4hatj+2hatk find the modulus and direction cosines of vec(PQ) .
Find the direction cosines of the vector hati+2hatj+3hatk .
If the momenta of two particles of a system are given by vecp_(1)=2hati-hatj+3hatk and vecp_(2)=-hati+2hatj-2hatk then calculate the angle made by the direction of motion of the system with positive x-axis.
If a=hati+2hatj+2hatk and b=3hati+6hatj+2hatk , then find a vector in the direction of a and having magnitude as |b|.
Write the direction ratios of the vector r=hati-hatj+2hatk and hence calculate its direction cosines.
For given vectors vec(a)=3hati+4hatj-5hatk and vec(b)=2hati+hatj find the unit vectors in the direction of the vector vec(a)+2vec(b) .
Write the direction ratio's of the vector veca=hati+hatj-2hatk and hence calculate its direction cosines.
The direction cosines of the vector 3hati-4hatj+5hatk are
If the position vectors of A and B are hati+3hatj-7hatk and 5hati-2hatj+4hatk , then the direction cosine of AB along Y-axis is
