Ms. H. pre-assesses her class before teaching a unit on trigonometry. Students who have not mastered the objective work through a series of exercises and complete a test at the end. Students who have mastered the learning objective are given a different, more advanced learning objective. They research applications of trigonometry to everyday life. They use advanced materials and develop a poster on the results of their research. This lesson is differentiated by: Mark answer in this column. Content Process x Product b. Explanation