The Relationship Between Grade 11 Students’ Achievement in Trigonometric Functions and Their Teachers’ Content Knowledge. Mediterranean Journal of Social Sciences, [S. l.], v. 5, n. 4, p. 443, 2014. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/2233.. Acesso em: 28 apr. 2025.