r = 42 cos 0 -5 Q Search LO % 10 F5 5 F6 6 & 4+ F7 7 144 FB * 8 ▶11 ( F9 9 ト -5 B A 5 r2+2 cos FIO FII F12 + = || ว DELETE BACKSPACE NUN LOC

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 28E
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2. Consider the polar curves r = 4 - 2cosθ and r = 2 + 2cosθ. In this problem, we want to find the area
 of A, B, and C pictured below. 

 (a) Find the angles where the two polar curves intersect.

 (b) A is the area inside r = 2 + 2cosθ, but outside r = 4 - 2cosθ. Set up and evaluate a polar integral
 to find the area of A.

r = 42 cos 0
-5
Q Search
LO
%
10 F5
5
F6
6
&
4+ F7
7
144 FB
*
8
▶11
(
F9
9
ト
-5
B
A
5
r2+2 cos
FIO
FII
F12
+
=
||
ว
DELETE
BACKSPACE
NUN
LOC
Transcribed Image Text:r = 42 cos 0 -5 Q Search LO % 10 F5 5 F6 6 & 4+ F7 7 144 FB * 8 ▶11 ( F9 9 ト -5 B A 5 r2+2 cos FIO FII F12 + = || ว DELETE BACKSPACE NUN LOC
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