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	Các bình luận về: Đề bài: Cho $ x_1,x_2, &#8230; , x_{2008} \in [\frac{\pi}{6};\frac{\pi}{2}]$. Tìm giá trị lớn nhất của: $y=(\sin x_1+\sin x_2+ &#8230; +\sin x_{2008}).\left ( \frac{1}{\sin x_1} + \frac{1}{\sin x_2}+&#8230;+ \frac{1}{\sin x_{2008}}\right )$	</title>
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