Design of Proving Worksheet Based on APOS Theory on Trigonometric Functions of Sum and Difference of Two Angles

• Main Authors: Hijir Ardiansyah (Author), Yusuf Hartono (Author), Darmawijoyo Darmawijoyo (Author)
• Formato: Libro
• Publicado: Universitas Negeri Semarang, 2024-05-01T00:00:00Z.
• Subjects: article
• Acceso en liña: Connect to this object online.

Trigonometry material is considered difficult by students because there are many formulas and concepts that must be memorized, so students have difficulty in analyzing and describing the problems given. One way for students to understand the formula is by learning proof. In proof learning related to...