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[函数] 求助一道函数最值题(sinx+1)(5cosx+2)

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25717246 Posted 2017-10-24 13:38 |Read mode

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kuing Posted 2017-10-24 13:47

见 forum.php?mod=redirect&goto=findpost& … tid=76&pid=15463（6楼最后）
PS、条件是多余嘀……

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Author| 25717246 Posted 2017-10-24 14:03

回复 2# kuing 非常感谢！

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