Professional paper

More proofs of one well-known trigonometric inequality in triangle

Šefket Arslanagić ; Sarajevo, Bosna i Hercegovina
Alija Muminagić ; Nykobing F., Danska

Abstract

In this paper we give seven different proofs for one trigonometric
inequality for triangle. This inequality is important for proving other
inequalities. We used different methods in this proofs.

Keywords

trigonometric inequality; different proofs; inequality C-B-S (Cauchy-Buniakovski-Schwarz); inequality between arithmetic and harmonic mean; Euler's inequality; convex function; Jensen's inequality

Hrčak ID:

33895

URI

https://hrcak.srce.hr/33895

Publication date:

20.3.2009.

Article data in other languages: croatian

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