New sharp bounds for sinc and hyperbolic sinc functions via cos and cosh functions
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Publication:6543353
DOI10.1007/s13370-024-01185-6MaRDI QIDQ6543353
Phan Trung Hieu, Doan Thi Thuy Van, Duong Quoc Huy
Publication date: 24 May 2024
Published in: Afrika Matematika (Search for Journal in Brave)
Inequalities for trigonometric functions and polynomials (26D05) Inequalities involving other types of functions (26D07) Exponential and trigonometric functions (33B10)
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