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# Unit: Trigonometric equations and identities

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### Learn

### Practice

- Evaluate inverse trig functionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Solve sinusoidal equations (basic)Get 3 of 4 questions to level up!
- Solve sinusoidal equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Interpret solutions of trigonometric equations in contextGet 3 of 4 questions to level up!
- Sinusoidal models word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

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

### Learn

### Practice

- Find trig values using angle addition identitiesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

### Learn

Up next for you:

Level up on all the skills in this unit and collect up to 700 Mastery points!