• #### Dividing Complex Numbers - Problem 4

##### Math›Algebra 2›Roots and Radicals
How to simplify radical quotients with a negative root in the denominator.
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• #### Multiplying Complex Numbers - Problem 3

##### Math›Algebra 2›Roots and Radicals
How to multiply imaginary monomials.
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• #### Dividing Complex Numbers - Problem 7

##### Math›Algebra 2›Roots and Radicals
Rationalizing denominators where there is a root of a negative number, meaning we'll likely have an imaginary result.
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• #### DeMoivre's Theorem - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to raise a complex number to an integer power using DeMoivre's Theorem.
• #### DeMoivre's Theorem - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to simplify integer powers of a complex number by converting to trigonometric form.
• #### DeMoivre's Theorem - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to compute several integer powers of a complex number, z = 1 + i, by converting to trigonometric form.
• #### The Euler Formula - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.
• #### The Euler Formula - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from rectangular form to the exponential form.
• #### The Euler Formula - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to derive two trigonometric identities using Euler's Formula.
• #### Introduction to Imaginary Numbers - Problem 2

##### Math›Algebra 2›Roots and Radicals
How to define a complex number.
• #### Graphing Polar Equations - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to sketch a simple polar curve by plotting points.
• #### Lines in Polar Coordinates - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the polar equation of any line.
• #### Introduction to Polar Coordinates - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular.
• #### The Distance Formula in Polar Coordinates - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to derive the distance formula for polar coordinates.
• #### Lines in Polar Coordinates - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the polar equation of a line through the origin (or pole).
• #### Introduction to Polar Coordinates - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular at an angle +/- pi/6.
• #### Graphing Polar Equations - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry.
• #### 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.
• #### Lines in Polar Coordinates - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to interpret the polar equation of a line.
• #### Introduction to Polar Coordinates - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular at an angle pi/4 and 3*pi/4.