JEE MAIN - Mathematics Hindi (2024 - 29th January Morning Shift - No. 19)

एक फलन $$y=f(x)$$ के लिए $$f(x) \sin 2 x+\sin x-\left(1+\cos ^2 x\right) f^{\prime}(x)=0$$ तथा $$f(0)=0$$ हैं। तो $$f\left(\frac{\pi}{2}\right)$$ बराबर है
$$2$$
$$1$$
$$-1$$
$$0$$

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