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5.3 – Solving Trigonometric Equations

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Presentation on theme: "5.3 – Solving Trigonometric Equations"— Presentation transcript:

1 5.3 – Solving Trigonometric Equations

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 Collect Like Terms/Take the Square Root:
(Solve for extraneous roots.)

6 Use identities to solve:

7 Use identities to solve:

8

9 Factor to solve:

10 Factor to solve:

11 Solving of Multiple Angles:

12

13 Homework Page 35-47 odd, odd, odd


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