Mathematical Inequalities & Applications · Volume 16, Issue 3 Improved inequalities for trigonometric functions via Dirichlet and Zeta functions 16-65 Pages 851-859 DOI 10.7153/mia-16-65 Downloads Short PDF Full PDF PNG Authors D. Aharonov U. Elias Keywords trigonometric inequalities Becker-Stark inequality Redheffer inequality Dirichlet functions Subject classes 26D05