5 Videos for "symmetry about the y axis"

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. 
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. 
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. 
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. 
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.