• #### The Complex Plane - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane.
• #### Trigonometric Form of Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
• #### Multiplying Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form.
• #### Dividing Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to divide two complex numbers in trigonometric form.
• #### More Roots of Complex Numbers - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use four guidelines to find the fifth roots of a complex number.
• #### Multiplying Complex Numbers - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to simplify a product of two complex numbers in trigonometric form.
• #### Finding the Roots of a Complex Number - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the cube roots of a complex number.
• #### More Roots of Complex Numbers - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines.
• #### Finding the Roots of a Complex Number - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the fourth roots of a complex number, 16 and -16.
• #### Multiplying Complex Numbers - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the product of two complex numbers by converting them to trigonometric form.
• #### More Roots of Complex Numbers - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use four guidelines to find the sixth roots of a complex number, and how to identify the geometric properties of the roots.
• #### Dividing Complex Numbers - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to simplify a quotient of two complex numbers in trigonometric form.
• #### Dividing Complex Numbers - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the quotient of two complex numbers by converting them to trigonometric form.
• #### Finding the Roots of a Complex Number - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem and the half-angle formulas to compute the cube roots of a complex number, 7+24*i.
• #### Dividing Complex Numbers - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the quotient of two complex numbers in rectangular form, z1 = 6 - 6*i and z2 = 3 + 3*i, by converting them to trigonometric form.
• #### 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.
• #### More Roots of Complex Numbers - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to find the nth roots of unity.
• #### Finding the Roots of a Complex Number - Problem 2

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the square roots of i.
• #### Converting Complex Numbers From Rectangular Form to Trigonometric - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number from rectangular form to trigonometric form.
• #### Converting Complex Numbers From Trigonometric Form to Rectangular - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number from trigonometric form to rectangular form.