Mathematics · 2021
JEE Main · 25 February 2021, Shift 1 · Q77
All possible values of θ ∈[0,2 π] for which sin 2 θ+ tan 2 θ>0 lie in:
All possible values of $\displaystyle \theta \in[0,2 \pi]$ for which $\displaystyle \sin 2 \theta+\tan 2 \theta>0$ lie in :
Official answer
(4)
$\displaystyle \left(0, \frac{\pi}{4}\right) \cup\left(\frac{\pi}{2}, \frac{3 \pi}{4}\right) \cup\left(\pi, \frac{5 \pi}{4}\right) \cup\left(\frac{3 \pi}{2}, \frac{7 \pi}{4}\right)$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.