96 Videos for "complex numbers"

The Distance Formula in Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to derive the polar equation of a circle given its center and radius. 
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. 
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 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry about the yaxis. 
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. 
The Distance Formula in Polar Coordinates  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the distance between to points given their polar coordinates. 
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)). 
The Distance Formula in Polar Coordinates  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the distance between two points, (3, 7*pi/6) and (5, pi/2), given their polar coordinates. 
Converting from Rectangular Coordinates to Polar  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert the rectangular coordinates of a point into polar coordinates. 
Introduction to Polar Coordinates  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to describe a point's location with polar coordinates, and how to convert from polar coordinates to rectangular coordinates. 
Symmetry of Polar Graphs  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to determine if the graph of a polar equation is symmetric about the yaxis. 
Converting from Rectangular Coordinates to Polar  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a rectangular equation into polar form. 
Converting from Polar Coordinates to Rectangular  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a polar equation into rectangular form. 
Families of Polar Curves: Roses  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to graph members of the polar family r = a sin(b*theta) when b is even. 
Families of Polar Curves: Conic Sections  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to describe the polar equations of conic sections. 
Families of Polar Curves: Roses  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to graph members of the polar family r = a sin(b*theta) when b is odd. 
Families of Polar Curves: Roses  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to describe Roses, the family of curves with equations r=acos(b*theta) or r=asin(b*theta) when b >=2 and is an integer. 
Families of Polar Curves: Circles, Cardiods, and Limacon  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to graph members of the polar family r = a + b cos (theta) when a > b > 0. 
Converting from Rectangular Coordinates to Polar  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a rectangular equation, x^2  6x +y^2 + 4y, into polar form. 
Symmetry of Polar Graphs  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to determine if the graph of a polar equation is symmetric about the yaxis when the first test of symmetry doesn't work.