JEE Main 2007 — Three Dimensional Geometry Question with Solution
JEE Main 2007
Question
If a line makes an angle of with the positive directions of each of -axis and -axis, then the angle that the line makes with the positive direction of the axis is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
we know
$\begin{aligned}
& \frac{1}{2}+\frac{1}{2}+n^2=1 \\
& \Rightarrow n=0
\end{aligned}$
Hence angle with positive direction of axis is .
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This is a previous-year question from JEE Main 2007, 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.