JEE Main 2009 — Three Dimensional Geometry Question with Solution
JEE Main 2009
Question
The projections of a vector on the three coordinate axis are respectively. The direction cosines of the vector are
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Projection of a vector on coordinate axis are
The D.C's of the vector are
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This is a previous-year question from JEE Main 2009, covering the Three Dimensional Geometry chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.