Mathematics · 2019
JEE Main · 10 April 2019, Shift 1 · Q88
All the pairs (x, y) that satisfy the inequality 2^√(sin^2 x-2 sin x+5) · 1/(4^sin^2 y) ≤ 1 also satisfy the equation:
All the pairs $\displaystyle (x, y)$ that satisfy the inequality
$$2^{\sqrt{\sin ^2 x-2 \sin x+5}} \cdot \frac{1}{4^{\sin ^2 y}} \leq 1 \quad \text { also }
$$
satisfy the equation :
Official answer
(3)
$\displaystyle \sin x=|\sin y|$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.