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

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number from rectangular form, z = -10, 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.
• #### Converting Complex Numbers From Trigonometric Form to Rectangular - Problem 1

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number from trigonometric form to rectangular form.
• #### Converting Complex Numbers From Trigonometric Form to Rectangular - Problem 3

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to convert a complex number from trigonometric form to rectangular form.
• #### 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.
• #### Lines in Polar Coordinates - Problem 1

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

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to interpret the polar equation of a line.
• #### 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 the 3D Coordinate System - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the coordinates of the vertices of a rectangular box.
• #### Calculating the Midpoint - Concept

##### Math›Geometry›Geometry Building Blocks
How to find the midpoint of a segment with endpoints in rectangular coordinates, How to write the midpoint formula.
• #### 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.
• #### Trigonometric Form of Complex Numbers - Concept

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

##### Math›Algebra›Graphs and Functions
How to plot points and name quadrants.
• #### Plotting Points and Naming Quadrants - Problem 1

##### Math›Algebra›Graphs and Functions
How to plot points in Quadrant I.
• #### Plotting Points and Naming Quadrants - Problem 2

##### Math›Algebra›Graphs and Functions
How to plot points in Quadrant III.
• #### Plotting Points and Naming Quadrants - Problem 3

##### Math›Algebra›Graphs and Functions
How to plot points when the x value is a fraction
• #### Introduction to Planes - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to write an equation for planes that contain one of the sides of a rectangular box.