The projection of a directed line segment on the coordinate axes are `12,4,3`. Find its length and direction cosines.

The projections of a line segment on the coordinate axes are 12,4,3 respectively. The length and direction cosines of the line segment are

The projection of a vector on the coordinate axes are 6,-3,2. Find its length and direction cosines,

The projection of a vector on the coordinate axes are (6,-3,2) Find its length and direction cosines.

The projections of a line segment on X, Y and Z axes are 12,4 and 3 respectively. The length and direction cosines of the line segment are a. 13; (12)/(13),4/(13),3/(13) b. 19 ;(12)/(19),4/(19),9/(19) c. 11;(12)/(11),(14)/(11),3/(12) d. none of these

The projections of the segment PQ on the coordinate axes are -9,12,-8 respectively. The direction cosines of the line PQ are (A) -9/sqrt(17),12/sqrt(17),-8/sqrt(17) (B) -9/288,12/289,-8/289 (C) -9/17,12/17,-8/17 (D) none of these

The projection of a vector on the three coordinate axes are 6, -3, 2 , respectively. The direction cosines of the vector are

The projection of a vector on the co-ordinate axis are 2,3 and -6. Find the direction cosines of the vector.

Direction ratios of the line are 2, 1, -3 . Find the direction cosines.

The projection of the line segment joining the points ( -1,0,3) and (2,5,1) on the line whose direction ratios are 6,2,3 is alpha then find the value of 7 alpha

Define direction cosines of a directed line.