Pengembangan Perangkat Pembelajaran Matematika Berbasis Model Problem Based L…

This study aims to produce a mathematical learning device based on the Problem Based Learning (PBL) model of the sine and cosine rules to facilitate mathematical problem solving skills (KPMM) for class X SMA/MA students that meet the valid criteria for syllabus, lesson plans, worksheets and practical for student worksheets. . The development model used by the researcher is a 4-D model (four-D. …