Utilização do geogebra no processo de ensino aprendizagem das funções trigonométricas seno e cosseno

Abstract

Many high school students have difficulty understanding the concepts related to the sine and cosine functions, not understanding how a real domain function can be related to values previously calculated from angles in degrees. In this sense, this study aimed to conduct a study to determine whether the use of technological resources, more precisely the dynamic geometry software GeoGebra, in the classroom would help students understand this. Thus, it was performed literature on the subject and elaborate a didactic sequence on this subject, composed of activities that sought to facilitate understanding of the concepts and the construction of graphs of sine and cosine functions. The teaching sequence was developed in a class of second year of high school of a private school in the state of Rio Grande do Sul. After the development of the proposed activities in the didactic sequence, by applying a questionnaire, it was found that the use of GeoGebra in the classroom can motivate students to study mathematics and facilitate the understanding of mathematical concepts, easily viewed by using this software.