Decision 7: Extended Thinking Lesson:
Title:
How are the sum and difference formulas used to verify trigonometric identities?
Time (in days):
-1
Extended Thinking Lesson(s):
1. How are cofunctions and even/odd identities useful in simplifying trigonometric expressions?2. How are algebraic techniques with fundamental identities used to verify identities?3. How are standard algebraic techniques used to solve trigonometric equations?4. How are trigonometric equations proved to be identities?5. How are fundamental identities used to simplify trigonometric expressions?6. How are fundamental identities used to solve trigonometric equations?7. Why is it necessary to use inverse trigonometric functions to solve some trigonometric equations?8. How are the sum and difference formulas used to verify trigonometric identities?9. How are the double and half-angle formulas used to verify trigonometric identities?