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Example 2: Circle and Straight Line
The graph of the equation r = a is the circle of radius a centered at the origin (Figure 7.7.6(a)). The graph of the equation θ = b is a straight line through the origin (Figure 7.7.6 (b)).
Figure 7.7.6(a)
Figure 7.7.6(b)
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Last Update: 2006-11-15