Angles and the Trigonometric Functions

Trigonometric Functions: The Unit Circle

# Angles and the Trigonometric Functions

## Trigonometric Functions: The Unit Circle

## Use a Unit Circle to Define Trigonometric Functions of Real Numbers

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## Recognize the Domain and Range of Sine and Cosine Functions

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## Use Even and Odd Trigonometric Functions

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## Use Periodic Properties

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## Find the Exact Values of the Trigonometric Functions at π / 4

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