• #### The Circle - Problem 10

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
How to write the equation for a line that is tangent to a circle.
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• #### Lines in Polar Coordinates - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find equations of a line tangent to a circle in polar and rectangular coordinates.
• #### The Product Rule - Problem 3

##### Math›Calculus›Techniques of Differentiation
How to differentiate a product of two functions when values of each function are given, and how to find an equation of a tangent line to the product function's graph.
• #### Derivatives of Exponential Functions - Problem 2

##### Math›Calculus›The Derivative
How to use the derivative of an exponential function to find an equation of the tangent line to the graph of f(x) = e^x.
• #### Derivatives of Logarithmic Functions - Problem 2

##### Math›Calculus›The Derivative
How to find an equation of the line tangent to the graph of f(x)=ln(x) at a point, and how to use the tangent to approximate values of natural log.
• #### The Definition of the Derivative - Problem 3

##### Math›Calculus›The Derivative
How to compute the derivative using the definition, and how to find an equation of the line tangent to its graph at a point.
• #### Derivatives of Power Functions - Problem 2

##### Math›Calculus›The Derivative
How to compute the derivative of f(x) = x^(-2) and how to find an equation of the line tangent to its graph at x= -2.
• #### Derivatives of Power Functions - Problem 3

##### Math›Calculus›The Derivative
How to compute the derivative of f(x) = x^(1/2) and how to find an equation of the line tangent to its graph at x= 9.
• #### Derivatives of Polynomial Functions - Problem 2

##### Math›Calculus›The Derivative
How to compute the derivative of a polynomial function at a point, and how to find an equation of the line tangent to its graph at that point.
• #### The Circle - Problem 10

##### Math›Precalculus›Conic Sections
How to write the equation for a line that is tangent to a circle.
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• #### The Circle - Problem 10

##### Math›Algebra 2›Conic Sections
How to write the equation for a line that is tangent to a circle.
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• #### Converting from Rectangular Coordinates to Polar - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert rectangular equations, y=5 and a circle with radius of 5, into polar form.
• #### Converting from Polar Coordinates to Rectangular - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a polar equation into rectangular form.