A Sharp Double Inequality for Trigonometric Functions and Its Applications

Zhen-Hang Yang, Yu-Ming Chu, Ying-Qing Song and Yong-Min Li

Abstract and Applied Analysis, 2014, vol. 2014, issue 1

Abstract: We present the best possible parameters p and q such that the double inequality (2/3)cos2p(t/2)+1/31/p

Date: 2014
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https://doi.org/10.1155/2014/592085

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2014:y:2014:i:1:n:592085

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