• #### The Definitions of Sine and Cosine - Concept

##### Math›Trigonometry›Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle.
• #### The Definitions of Sine and Cosine - Concept

##### Math›Precalculus›Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle.
• #### The Definitions of Sine and Cosine - Problem 4

##### Math›Trigonometry›Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram.
• #### The Definitions of Sine and Cosine - Problem 4

##### Math›Precalculus›Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How do we measure sine and cosine of ?/6?
• #### Evaluating Sine and Cosine at Other Special Angles - Concept

##### Math›Trigonometry›Trigonometric Functions
How to measure the sine and cosine of 150.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to measure sine and cosine of pi/3
• #### Evaluating Sine and Cosine at Other Special Angles - Concept

##### Math›Precalculus›Trigonometric Functions
How to measure the sine and cosine of 150.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 1

##### Math›Precalculus›Trigonometric Functions
How do we measure sine and cosine of ?/6?
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to measure sine and cosine of pi/3
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to measure the sine and cosine of -5?/3.
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to measure the sine and cosine of -135?.
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to measure the sine and cosine of -135?.
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to measure the sine and cosine of -5?/3.
• #### Evaluating Sine and Cosine at Special Acute Angles - Concept

##### Math›Precalculus›Trigonometric Functions
How do we measure sine and cosine of pi/4?
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to measure the sine and cosine of 11*pi/6.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 3

##### Math›Precalculus›Trigonometric Functions
How do we graph sine and cosine when q is between 0 and ?/2?
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to measure the sine and cosine of 11*pi/6.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How do we graph sine and cosine when q is between 0 and ?/2?
• #### Evaluating Sine and Cosine at Special Acute Angles - Concept

##### Math›Trigonometry›Trigonometric Functions
How do we measure sine and cosine of pi/4?