Kokazhayeva А.B; AZIMTAEVA A.S. FEATURES OF USING PROBLEM-BASED LEARNING IN TEACHING TRIGONOMETRIC EQUATIONS AND INEQUALITIES WITH PARAMETERS. Modern Scientific Technology, [S. l.], n. 10, 2025. Disponível em: https://ojs.publisher.agency/index.php/MSC/article/view/6323. Acesso em: 20 apr. 2026.