Let C1: r=-2cos3θ and C2: r=1. R is the region inside C2 but outside C1.  1. what are all the points of intersection of C1 and C2 2. What's the integral that gives the perimeter of R 3. What's the integral that gives the area of R

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let C1: r=-2cos3θ and C2: r=1. R is the region inside C2 but outside C1. 
1. what are all the points of intersection of C1 and C2

2. What's the integral that gives the perimeter of R

3. What's the integral that gives the area of R

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