• #### The Sine Addition Formulas - Concept

How to derive the sine of a sum formula.
• #### Asymptotes of Secant, Cosecant, and Cotangent - Concept

##### Math›Precalculus›Trigonometric Functions
How to find the vertical asymptotes of secant, cosecant, and cotangent.
• #### The Sine Addition Formulas - Concept

How to derive the sine of a sum formula.
• #### Properties of Real Numbers - Concept

##### Math›Algebra 2›Real Numbers
How to define the properties of real numbers.
• #### Transforming Secant and Cosecant - Concept

##### Math›Trigonometry›Trigonometric Functions
How graph the secant function using five key points.
• #### Transforming the Tangent Graph - Concept

##### Math›Trigonometry›Trigonometric Functions
How to graph y = tan(q) for one or more periods.
• #### Properties of Logarithms - Problem 3

##### Math›Precalculus›Exponential and Logarithmic Functions
How to use the change of base theorem to rewrite or simplify logarithms.
• #### Transforming Secant and Cosecant - Concept

##### Math›Precalculus›Trigonometric Functions
How graph the secant function using five key points.
• #### Transforming the Tangent Graph - Concept

##### Math›Precalculus›Trigonometric Functions
How to graph y = tan(q) for one or more periods.
• #### The Inverse of a Square Matrix - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
• #### Transforming the Tangent Graph - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to graph y = -0.2 tan(2x - pi/4).
• #### Transforming the Tangent Graph - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to graph y = -1/2 tan(?x).
• #### Transforming the Cotangent Graph - Concept

##### Math›Trigonometry›Trigonometric Functions
How graph the cotangent function using five key points.
• #### Transforming the Tangent Graph - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to graph y = -1/2 tan(?x).
• #### Transforming the Tangent Graph - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to graph y = -0.2 tan(2x - pi/4).
• #### Transforming the Cotangent Graph - Concept

##### Math›Precalculus›Trigonometric Functions
How graph the cotangent function using five key points.
• #### Properties of Logarithms - Problem 1

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms (using the properties of logs) when you have one value given.
• #### Properties of Logarithms - Problem 2

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms when a change of base is helpful.