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[不等式] 这道加强不等式怎么证明

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3251小王子 Posted 2021-5-7 18:25 |Read mode

$\frac{\sin x}{x}\geqslant \sqrt[3]{\cos x} $,其中$ 0<x<\frac{pi}{2} $

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Author| 3251小王子 Posted 2021-5-7 18:25

麻烦大家看下谢谢大家

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色k Posted 2021-5-7 18:57

《撸题集》P.1000 题目 6.10.81

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Author| 3251小王子 Posted 2021-5-7 19:05

卧槽真的有谢谢你了

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