Consider the graph given in polar coordinates by r=2cos(4@) a)sketch the graph of r(@) when @ is greater than or equal to 0 and less than or equal to pi/4.   b) What is the area enclosed by the graph when @ is greater than or equal to 0 and less than or equal to pi/4?   c)How do you use this to calculate the area enclosed by the graph when @ is geater than or equal to 0 and less than or equal to 2pi.?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.5: Polar Coordinates
Problem 90E
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Consider the graph given in polar coordinates by r=2cos(4@)

a)sketch the graph of r(@) when @ is greater than or equal to 0 and less than or equal to pi/4.

 

b) What is the area enclosed by the graph when @ is greater than or equal to 0 and less than or equal to pi/4?

 

c)How do you use this to calculate the area enclosed by the graph when @ is geater than or equal to 0 and less than or equal to 2pi.?

 

 

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