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# Unit: Trigonometry

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### About this unit

Let's extend trigonometric ratios sine, cosine, and tangent into functions that are defined for all real numbers. You might be surprised at how we can use the behavior of those functions to model real-world situations involving carnival rides and planetary distances.### Learn

### Practice

- Unit circleGet 3 of 4 questions to level up!

### Learn

### Practice

- Radians & degreesGet 3 of 4 questions to level up!
- Unit circle (with radians)Get 3 of 4 questions to level up!

### Practice

- Trig values of special anglesGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Midline of sinusoidal functions from graphGet 3 of 4 questions to level up!
- Amplitude of sinusoidal functions from graphGet 3 of 4 questions to level up!
- Period of sinusoidal functions from graphGet 3 of 4 questions to level up!

### Learn

### Practice

- Amplitude of sinusoidal functions from equationGet 3 of 4 questions to level up!
- Midline of sinusoidal functions from equationGet 3 of 4 questions to level up!
- Period of sinusoidal functions from equationGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Graph sinusoidal functionsGet 3 of 4 questions to level up!
- Construct sinusoidal functionsGet 3 of 4 questions to level up!
- Graph sinusoidal functions: phase shiftGet 3 of 4 questions to level up!

### Learn

### Practice

- Interpreting trigonometric graphs in contextGet 3 of 4 questions to level up!
- Modeling with sinusoidal functionsGet 3 of 4 questions to level up!
- Modeling with sinusoidal functions: phase shiftGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 1700 Mastery points!