• #### 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 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 3

##### Math›Precalculus›Trigonometric Functions
How to measure the sine and cosine of -5?/3.
• #### 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.
• #### Transforming the Graphs of Sine and Cosine - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to graph a stretched sine function.
• #### The Definitions of Sine and Cosine - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to find the sine of an angle when its cosine is given.
• #### The Inverse Sine Function - Concept

##### Math›Precalculus›Advanced Trigonometry
How to restrict the domain of sine so it will have an inverse function.
• #### Evaluating Sine and Cosine at Other Special Angles - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to measure the sine and cosine of -5?/3.
• #### Transforming the Graphs of Sine and Cosine - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to graph a stretched sine function.
• #### The Definitions of Sine and Cosine - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to find the sine of an angle when its cosine is given.
• #### The Definitions of Sine and Cosine - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to determine whether sine and cosine are positive or negative when we know the quadrant.
• #### The Definitions of Sine and Cosine - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to determine whether sine and cosine are positive or negative when we know the quadrant.
• #### The Definitions of Sine and Cosine - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to evaluate sine and cosine when the angle is 0, pi/2, pi, 3*pi/2.
• #### The Definitions of Sine and Cosine - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to evaluate sine and cosine when the angle is 0, pi/2, pi, 3*pi/2.
• #### The Sine Addition Formulas - Problem 3

##### Math›Trigonometry›Advanced Trigonometry
How to evaluate sin(a ? b) and sin(a + b) when you know only cos(a) and sin(b).
• #### Graphs of the Sine and Cosine Functions - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to find the domain, range, period, amplitude, and x-intercepts of the sine and cosine graphs.
• #### The Sine Addition Formulas - Problem 3

##### Math›Precalculus›Advanced Trigonometry
How to evaluate sin(a ? b) and sin(a + b) when you know only cos(a) and sin(b).
• #### Graphs of the Sine and Cosine Functions - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to find the domain, range, period, amplitude, and x-intercepts of the sine and cosine graphs.
• #### Find an Equation for the Sine or Cosine Wave - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to identify the graph of a stretched and reflected sine curve.