• #### More Transformations of Sine and Cosine - Concept

##### Math›Trigonometry›Trigonometric Functions
How the value of h affects the shape of the graph y = A sin(B(x-h)).
• #### More Transformations of Sine and Cosine - Concept

##### Math›Precalculus›Trigonometric Functions
How the value of h affects the shape of the graph y = A sin(B(x-h)).
• #### More Transformations of Sine and Cosine - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How to graph a stretched and shifted sine function.
• #### More Transformations of Sine and Cosine - Problem 1

##### Math›Precalculus›Trigonometric Functions
How to graph a stretched and shifted sine function.
• #### More Transformations of Sine and Cosine - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to graph a sine wave that has been stretched and shifted both horizontally and vertically.
• #### More Transformations of Sine and Cosine - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to graph a sine wave that has been stretched and shifted both horizontally and vertically.
• #### The Double-Angle Formulas - Problem 2

How to derive a triple-angle formula for cosine.
• #### The Double-Angle Formulas - Problem 2

How to derive a triple-angle formula for cosine.
• #### The Double-Angle Formulas - Concept

How to use the sine and cosine addition formulas to prove the double-angle formulas.
• #### Solving Trigonometric Equations - Problem 1

How to solve a simple cosine equation: cos x = ?2/2.
• #### Solving Trigonometric Equations - Problem 1

How to solve a simple cosine equation: cos x = ?2/2.
• #### The Double-Angle Formulas - Concept

How to use the sine and cosine addition formulas to prove the double-angle formulas.
• #### The Tangent Function - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to find when sine, cosine, and tangent are positive.
• #### The Tangent Function - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to find when sine, cosine, and tangent are positive.
• #### Trigonometric Identities - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2*pi, and tangent has period pi.
• #### Trigonometric Identities - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2*pi, and tangent has period pi.