SANTOS, L. C. P.; http://lattes.cnpq.br/2880039345540652; PEREIRA, Luana Cristina Santos. (BrasilCentro de Educação e Saúde - CESUFCGUniversidade Federal de Campina Grande, 2013-04-24)
In this work we present a bit of history, emphasizing the main moments
and the mathematicians who took part in the study of Trigonometric Functions. Like
motivation, we present the functions sine and cosine defined for ...