Espindola EB de M, Luberiaga E, Tragalova J. Decisões didáticas e fatores que as influenciam no ensino de razões trigonométricas <br> Didactic decisions and factors that influence them in the teaching of trigonometric reasons. EMP [Internet]. 2019Jan.31 [cited 2024Jul.17];20(3). Available from: https://revistas.pucsp.br/index.php/emp/article/view/39192