• #### Converting Complex Numbers From Trigonometric Form to Rectangular - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number, z = 5*root(2)*(cos(7*pi/4) + i*sin(7*pi/4)), from trigonometric form to rectangular form.
• #### Dividing Complex Numbers - Problem 4

How to simplify radical quotients with a negative root in the denominator.
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• #### Dividing Complex Numbers - Problem 5

Dividing complex numbers where the denominator contains an imaginary number.
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• #### Introduction to Imaginary Numbers - Problem 6

Introduction to complex numbers.
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• #### Introduction to Imaginary Numbers - Problem 3

How to describe the absolute value of a complex number.
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• #### Introduction to Imaginary Numbers - Problem 5

Introduction to imaginary numbers.
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• #### Dividing Complex Numbers - Problem 6

How to divide complex numbers.
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• #### Cube Roots - Concept

How to find the cube root of a number.
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cube root
• #### Multiplying Complex Numbers - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the product of two complex numbers in rectangular form, z1 = 3 + 3*i and z2 = 1 + i*root(3), by converting them to trigonometric form.
• #### Multiplying Complex Numbers - Problem 3

How to multiply imaginary monomials.
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• #### Dividing Complex Numbers - Problem 3

How to divide by an imaginary monomial.
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• #### Multiplying Complex Numbers - Problem 4

How to multiply complex binomials.
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• #### Introduction to Imaginary Numbers - Problem 4

How to graph in the complex plane.
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• #### Cube Roots - Problem 2

Introduction to cube root concept and notation, including cube roots of negative numbers.
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• #### Square Roots - Problem 3

##### Math›Pre-Algebra›Decimals and Percents
Introduction to cubing a number and cube roots as opposite operations
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• #### Cube Roots - Problem 4

Simplifying cube roots by looking for multiples of the perfect cube numbers.
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