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[不等式] 三角形中，求参数的最大值

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lemondian posted 2024-12-31 22:33 |Read mode

在$\triangle ABC$中，若$ \sum\sqrt{\cot\dfrac{A}{2}cot\dfrac{B}{2}-1}\geqslant \lambda \sum\sqrt{\cot\dfrac{A}{2}cot\dfrac{B}{2}}$，求的最大值。

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kuing posted 2024-12-31 22:42

你不是问过了吗？：forum.php?mod=viewthread&tid=9711

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哦，我也总觉得在哪见过，就是想不起来我问过，哎！ posted 2024-12-31 23:26

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