Proofs of a trigonometric identity

Authors

  • Šefket Arslanagić Faculty of Natural Sciences and Mathematics, University of Sarajevo

Abstract

The article deals with three different interesting proofs of an important trigonometric identity, which can be often used in different parts of elementary mathematics, especially by the solving of systems of equations and proofs of some inequalities.

Published

2016-02-28

How to Cite

Arslanagić, Šefket. (2016). Proofs of a trigonometric identity. MATHEMATICS–PHYSICS–INFORMATICS, 25(2), 81–83. Retrieved from https://mfi.upol.cz/index.php/mfi/article/view/254

Issue

Section

Mathematics