132 Videos for "coordinates"

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. 
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. 
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. 
Dividing Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to divide two complex numbers in trigonometric form. 
Graphing Polar Equations  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry. 
Multiplying Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to simplify a product of two complex numbers in trigonometric form. 
Multiplying Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form. 
Symmetry of Polar Graphs  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to test a polar equation for symmetry about the x or yaxis. 
Graphing Polar Equations  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
Another example of how to sketch a polar curve by plotting points and using symmetry about the yaxis. 
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 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use four guidelines to find the fifth roots of a complex number. 
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. 
Symmetry of Polar Graphs  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to determine if the graph of a polar equation is symmetric about the xaxis. 
Dividing Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to simplify a quotient of two complex numbers in trigonometric form. 
Trigonometric Form of Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form. 
Graphing Polar Equations  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry about the yaxis. 
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. 
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. 
The Euler Formula  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to derive our method for multiplying complex numbers and DeMoivre's Theorem using Euler's Formula. 
Families of Polar Curves: Roses  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to describe the graph of a rotated rose, r = a sin(b*(theta + h)).