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Home  Trigonometric Functions Length of a Curve in Polar Coordinates Examples Example 2: Length of an Ark of a Circle |
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Example 2: Length of an Ark of a Circle
Find the length of the curve r = sin θ from θ = α to θ = β, shown in Figure 7.10.3. dr/dθ = cos θ, so
Figure 7.10.3 The graph of r = sin θ is a circle of radius ½ which passes through 0.
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Last Update: 2006-11-15