Open AccessSharper bounds and new proofs of the exponential function with cotangent
Author(s) -
Xiangyang Wu,
Kang Yang,
Nichang Jiang,
Xiao-Diao Chen
Publication year - 2020
Publication title -
aims mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 15
ISSN - 2473-6988
DOI - 10.3934/math.2020450
Subject(s) - trigonometric functions , mathematical proof , bounding overwatch , exponential function , mathematics , interpolation (computer graphics) , function (biology) , calculus (dental) , mathematical analysis , computer science , geometry , artificial intelligence , motion (physics) , medicine , dentistry , evolutionary biology , biology