2. In this section, you will learn to: Use standard algebraic techniques to solve trigonometric equations Solve trigonometric equations of quadratic type Solve trigonometric equations involving multiple angles Use inverse trigonometric functions to solve trigonometric equations

3. Two basic techniques for solving trigonometric equations are factoring and applying known identities. a) Rewrite the equation with a single trigonometric function. b) Remember only to factor after you have set the equation equal to zero.

4. Collect Like Terms/Take the Square Root:

5. (Solve for extraneous roots.)

6. Use identities to solve:

9. Factor to solve:

11. Solving of Multiple Angles:

13. Homework Page 376-379 35-47 odd, 49-53 odd, 61-71 odd