Mathematics · 2023
JEE Main · 11 April 2023, Shift 1 · Q16
The number of elements in the set S={θ ∈[0,2 π]: 3 cos^4 θ-5 cos^2 θ-2 sin^6 θ+2=0} is
The number of elements in the set
$$S=\left\{\theta \in[0,2 \pi]: 3 \cos ^4 \theta-5 \cos ^2 \theta-2 \sin ^6 \theta+2=0\right\} \text { is }
$$
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 9$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.