JournalsemVol. 65, No. 2pp. 45–48

A trigonometric double-inequality

  • Horst Alzer

    Waldbröl, Germany
A trigonometric double-inequality cover
Download PDF

Cite this article

Horst Alzer, A trigonometric double-inequality. Elem. Math. 65 (2010), no. 2, pp. 45–48

DOI 10.4171/EM/139