Alg2.6 Trigonometric Functions · Lesson 11: Extending the Domain of Trigonometric FunctionsLesson plan
Learning goals: Teacher Facing Interpret graphs of cosine and sine for input values less than 0. Interpret (orally and in writing) the meaning of angle measures less than 0 radians on the unit circle. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg2.6 Trigonometric Functions, Algebra 2.