Open AccessRefinements of Huygens-Wilker-Lazarovic inequalities via the hyperbolic cosine polynomials
Author(s) -
Gabriel Bercu
Publication year - 2022
Publication title -
applicable analysis and discrete mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.69
H-Index - 26
eISSN - 2406-100X
pISSN - 1452-8630
DOI - 10.2298/aadm200403004b
Subject(s) - mathematics , trigonometric functions , trigonometry , hyperbolic function , unitary state , proofs of trigonometric identities , pure mathematics , inequality , algebra over a field , mathematical analysis , polynomial , geometry , linear interpolation , political science , law , bicubic interpolation
The aim of this paper is to provide new refinements of Huygens-Wilker-Lazarovic inequalities using hyperbolic cosine polynomials. We give an unitary approach for both inequalities of trigonometric and hyperbolic functions.