JEE MAIN - Mathematics Hindi (2017 (Offline) - No. 13)
यदि $$(2+\sin x) \frac{\mathrm{d} y}{\mathrm{~d} x}+(y+1) \cos x=0$$ तथा $$y(0)=1$$ है, तो $$y\left(\frac{\pi}{2}\right)$$ बराबर है :
$$-\frac{2}{3}$$
$$-\frac{1}{3}$$
$$\frac{4}{3}$$
$$\frac{1}{3}$$
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