Mathematical Inequalities & Applications · Volume 6, Issue 1 On new proofs of Wilker's inequalities involving trigonometric functions 06-02 Pages 19-22 DOI 10.7153/mia-06-02 Downloads Short PDF Full PDF PNG Authors Bai-Ni Guo Bao-Min Qiao Feng Qi Wei Li Keywords trigonometric function Wilker's inequality Bernoulli number Subject classes 26D05