Find the area enclosed by the given curve r=2acos20

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 34E: Find a formula for the area of the shaded region, which represents one-fourth of an annulus ring.
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Find the area enclosed by the given curve r=2acos20
Transcribed Image Text:Find the area enclosed by the given curve r=2acos20
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