IMPLEMENTATION OF THE GEOGEBRA APPLICATION TO ENHANCE STUDENTS’ UNDERSTANDING OF TRIGONOMETRIC FUNCTIONS IN SECONDARY SCHOOLS. Journal of Education Science, [S. l.], v. 1, n. 1, p. 8–17, 2026. Disponível em: https://jurnal.isc-tl.org/index.php/JES/article/view/3. Acesso em: 10 jul. 2026.