Mathematics · 2014
JEE Main · 9 April 2014, Shift 1 · Q84
A line in the 3-dimensional space makes an angle θ(0<θ ≤ (π)/2) with both the x and y axes. Then the set of all values of θ is the interval:
A line in the $\displaystyle 3$-dimensional space makes an angle $\displaystyle \theta\left(0<\theta \leq \frac{\pi}{2}\right)$ with both the $\displaystyle x$ and $\displaystyle y$ axes. Then the set of all values of $\displaystyle \theta$ is the interval :
Official answer
(3)
$\displaystyle \left[\frac{\pi}{4}, \frac{\pi}{2}\right]$
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JEE Main 2014 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.