Are you looking for engaging interactive activities to reinforce your AP® PreCalculus guided notes and lessons for Unit 3: Trigonometric Functions? Teaching a new course is never easy and can be a challenge. Unit 3 should take between 8 and 11 weeks and is the last Unit included on the AP® Exam. Whether you are reorganizing your old PreCalculus notes to fit the new framework, or are using Calc Medic®, Flipped Math® (aka the Algebros) notes, or some other note based curriculum, your student