Hello and welcome! Today we will talk about sum and differences identities and use it to evaluate exact values, simplify and to solve equations. At the end of the lesson, please try practice questions on page 641 questions 4, 5, 7, 8, 9, 12, 13, 14, 15, 17, 18. MC 1 & 2.
Here is our livestream key for today: https://youtu.be/q_eAXmm6Lt4
Here are our notes for today: Chapter 7 Lesson 7 Sum and Difference Identities
Note: Trig Identities and Equations Test is on Friday, June 12th.
Pre-Calculus 40S 