Mathematics · 2026
JEE Main · 2 April 2026, Shift 1 · Q12
Let S ={x ∈[-π, π]: sin x( sin x+ cos x)= a, a ∈ Z}. Then n ( S ) is equal to:
Let $\displaystyle \mathrm{S}=\{x \in[-\pi, \pi]: \sin x(\sin x+\cos x)=\mathrm{a}, \mathrm{a} \in Z\}$. Then $\displaystyle \mathrm{n}(\mathrm{S})$ is equal to :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 9$
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JEE Main 2026 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.