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Use the double integral in polar coordinates to derive the formula Upper A equals Integral from alpha to beta one half r squared font size decreased by 4 d theta for the area of the​ fan-shaped region between the origin and polar curve r equals f (theta )​, alpha less than or equals theta less than or equals beta .

User Akron
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Answer:

πa²/4

Explanation

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Use the double integral in polar coordinates to derive the formula Upper A equals-example-1
User Brian Antonelli
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