JEE Main 2009Annual, Paper 1MathematicsMediumThree Dimensional Geometry249× since 2002The projections of a vector on the three coordinate axis are 6,−3,26,-3,26,−3,2 respectively. The direction cosines of the vector are :AOption A. 65,−35,25{6 \over 5},{{ - 3} \over 5},{2 \over 5}56,5−3,52BOption B. 67,−37,27{6 \over 7 },{{ - 3} \over 7},{2 \over 7}76,7−3,72COption C. −67,−37,27{- 6 \over 7 },{{ - 3} \over 7},{2 \over 7}7−6,7−3,72DOption D. 6,−3,26, -3, 26,−3,2CheckSkip · show solution
