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

Abstract 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.

Bibliographic Details
Main Authors: Branko Malešević, Tatjana Lutovac, Marija Rašajski, Cristinel Mortici
Format: Article
Language:English
Published: SpringerOpen 2018-03-01
Series:Advances in Difference Equations
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13662-018-1545-7
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author Branko Malešević
Tatjana Lutovac
Marija Rašajski
Cristinel Mortici
author_facet Branko Malešević
Tatjana Lutovac
Marija Rašajski
Cristinel Mortici
author_sort Branko Malešević
collection DOAJ
description Abstract 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.
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spelling doaj.art-6a9bcb1d9f194d9cb4e595222fac5b9a2022-12-21T20:35:00ZengSpringerOpenAdvances in Difference Equations1687-18472018-03-012018111510.1186/s13662-018-1545-7Extensions of the natural approach to refinements and generalizations of some trigonometric inequalitiesBranko Malešević0Tatjana Lutovac1Marija Rašajski2Cristinel Mortici3School of Electrical Engineering, University of BelgradeSchool of Electrical Engineering, University of BelgradeSchool of Electrical Engineering, University of BelgradeValahia University of TârgovişteAbstract 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.http://link.springer.com/article/10.1186/s13662-018-1545-7SharpeningGeneralizationWilker–Cusa–Huygens’s inequalitiesSine and cosine functionsLeibniz’s theorem for alternating series
spellingShingle Branko Malešević
Tatjana Lutovac
Marija Rašajski
Cristinel Mortici
Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
Advances in Difference Equations
Sharpening
Generalization
Wilker–Cusa–Huygens’s inequalities
Sine and cosine functions
Leibniz’s theorem for alternating series
title Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
title_full Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
title_fullStr Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
title_full_unstemmed Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
title_short Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
title_sort extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
topic Sharpening
Generalization
Wilker–Cusa–Huygens’s inequalities
Sine and cosine functions
Leibniz’s theorem for alternating series
url http://link.springer.com/article/10.1186/s13662-018-1545-7
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AT tatjanalutovac extensionsofthenaturalapproachtorefinementsandgeneralizationsofsometrigonometricinequalities
AT marijarasajski extensionsofthenaturalapproachtorefinementsandgeneralizationsofsometrigonometricinequalities
AT cristinelmortici extensionsofthenaturalapproachtorefinementsandgeneralizationsofsometrigonometricinequalities