In mathematics education, studies reveal difficulties in the teaching-learning of trigonometry in secondary and higher education, due to the fact that students are not encouraged to achieve a deep conceptual understanding ...

Neste trabalho fazemos uma introdução da geometria e da trigonometria na superfície esférica utilizando o aplicativo Geogebra 3D. Nosso objetivo central é mostrar como determinadas relações trigonométricas da geometria ...

En este material se presenta la definición de la sustracción de cosenos, así como el proceso matemático a través del cual se obtiene.

This article aimed to discuss the usae of GeoGebra software in the teaching-learning process trigonometry in high school, as well as identifying the characteristics and possibilities of use of this software in the classroom ...

The aim of this work was to investigate an approach to the teaching of Trigonometry from the right triangle to its analytical form in the Unit Circle. In the work, it was intended to formulate activities with different ...