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[不等式] sin及tan和的最值

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创之谜 posted 2025-3-17 21:15 |Read mode
Last edited by 创之谜 2025-3-23 19:541.在\(\triangle ABC\)中,试讨论\(\alpha\sin A+\beta\sin B+\gamma\sin C \)的最值(\(\alpha ,\beta,\gamma\)为参数)
2.在\(\triangle ABC\)中,试讨论\(\alpha\tan A+\beta\tan B+\gamma\tan C \)的最值(\(\alpha ,\beta,\gamma\)为参数)

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kuing posted 2025-3-17 23:54

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original poster 创之谜 posted 2025-3-23 19:55
kuing 发表于 2025-3-17 23:54
https://www.zhihu.com/question/613495697/answer/3137782388
那第2问呢?

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