Several sharp inequalities involving (hyperbolic) tangent, tanc, cosine, and their reciprocals.

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Bibliographic Details
Title: Several sharp inequalities involving (hyperbolic) tangent, tanc, cosine, and their reciprocals.
Authors: Li, Wen-Hui1 (AUTHOR) wen.hui.li@foxmail.com, Guo, Bai-Ni2,3 (AUTHOR) bai.ni.guo@gmail.com
Source: Mathematica Slovaca. Dec2024, Vol. 74 Issue 6, p1433-1444. 12p.
Database: Mathematics Source
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ISSN:01399918
DOI:10.1515/ms-2024-0104