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Mathematics · 2017
JEE Main 2017 · 2017-04-02 Offline · Q77
If (2+ sin x) (d y)/(d x)+(y+1) cos x=0 and y(0)=1, then y((π)/2) is equal to:
If $\displaystyle (2+\sin x) \frac{\mathrm{d} y}{\mathrm{~d} x}+(y+1) \cos x=0$ and $\displaystyle y(0)=1$, then $\displaystyle y\left(\frac{\pi}{2}\right)$ is equal to :
Official answer
(4)
$\displaystyle \frac{1}{3}$
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JEE Main 2017 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.