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# Unit 3: Trigonometric functions

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Unit test

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### Practice

- Using the trig angle addition identitiesGet 3 of 4 questions to level up!

### Learn

### Practice

- Use the Pythagorean identityGet 3 of 4 questions to level up!
- Solve sinusoidal equations (basic)Get 3 of 4 questions to level up!

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