Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities

被引：38

作者：

Malesevic, Branko ^{[1
]}

Lutovac, Tatjana ^{[1
]}

Rasajski, Marija ^{[1
]}

Mortici, Cristinel ^{[2
,3
,4
]}

机构：

[1] Univ Belgrade, Sch Elect Engn, Belgrade, Serbia

[2] Valahia Univ Targoviste, Targoviste, Romania

[3] Acad Romanian Scientists, Bucharest, Romania

[4] Univ Politehn Bucuresti, Bucharest, Romania

来源：

ADVANCES IN DIFFERENCE EQUATIONS | 2018年

关键词：

Sharpening; Generalization; Wilker-Cusa-Huygens's inequalities; Sine and cosine functions; Leibniz's theorem for alternating series;

D O I：

10.1186/s13662-018-1545-7

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper we propose a new method for sharpening and refinements of some trigonometric inequalities. We apply these ideas to some inequalities of Wilker-Cusa-Huygens type.

引用

页数：15

共 16 条

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[3]

[Anonymous], 1970, Analytic Inequalities

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Malesevic, Branko ;

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[9]

Malesevic B., ARXIV171103786

[10]

Malesevic B., ARXIV171203772

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