# Polar Graphing

1. Homework Statement
Find the Maximum and Minimum of the following equation.
r=2-2cos($$\Theta$$)

3. The Attempt at a Solution
Max- 2-2 cos (0$$\pi$$)=0
(0,0$$\pi$$);(0,2$$\pi$$)

Min 2-2cos($$\pi$$)=4
(4,$$\pi$$)

Do i just have these backwards?

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Dick
Homework Helper
0<4, so yes, you have them backwards. 4 is the max, 0 is the min.

HallsofIvy
(0,0$\pi[/itex\);(0,2[itex]\pi$)
(4,$\pi$)