Section 6.4 Graphs of Polar Equations

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Presentation transcript:

Section 6.4 Graphs of Polar Equations

Using Polar Grids to Graph Polar Equations

A polar equation is an equation whose variables are r and A polar equation is an equation whose variables are r and . The graph of a polar equation is the set of all points whose polar coordinates satisfy the equation. We use polar grids to graph polar equations.

Graphing a Polar Equation by Point Plotting

Graphing r=4 cos

Graphing A Polar Equation Using Symmetry

Checking for Symmetry

Example

Example

Example

Example