AKARSU, V. On Rational and Irrational Values of Trigonometric Functions. Advanced Geomatics, [S. l.], v. 3, n. 2, p. 56–62, 2023. Disponível em: https://publish.mersin.edu.tr/index.php/geomatics/article/view/988. Acesso em: 11 may. 2024.