New inequalities of Wilker's type for circular functions

被引：11
|
作者：
Zhu, Ling [1 ]
机构：
[1] Zhejiang Gongshang Univ, Dept Math, Hangzhou 310018, Peoples R China
来源：
AIMS MATHEMATICS | 2020年 / 5卷 / 05期
关键词：
Wilker type inequality; circular function; tangent function; sine function; Bernoulli number;
D O I：
10.3934/math.2020311
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In the article, we establish three new Wilker type inequalities involving tangent and sine functions by use of a double inequality for the ratio of two consecutive non-zero Bernoulli numbers.
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收藏
页码：4874 / 4888
页数：15
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