✓ )² + y² = 4 In polar coordinates we have x² + y² = 2² and x = rcos(8), so the boundary circle becomes r² = 4r cos (0) (x - 2 D = {(r, 0) | -π/2 ≤ 0 π/2, 0≤ r ≤ 4cos(0)} 4 cos (0) V= // L = = 48 -T/2 = 48 /2 = 48 = 96 , or r = 4cos(0). Thus the disk D is given by (3x² + 3y²)dA = 3,4 4 X X X T/2 =126² 5²¹² (cos(0))+de 1 cos(20) 14cos (0) Jo 2 1/2 Jo = 37² de = 192 -)²de /2 -π/2 /2 [1 + 2cos(20) + (1 + cos(40))]de r dr de (cos(0))+de
✓ )² + y² = 4 In polar coordinates we have x² + y² = 2² and x = rcos(8), so the boundary circle becomes r² = 4r cos (0) (x - 2 D = {(r, 0) | -π/2 ≤ 0 π/2, 0≤ r ≤ 4cos(0)} 4 cos (0) V= // L = = 48 -T/2 = 48 /2 = 48 = 96 , or r = 4cos(0). Thus the disk D is given by (3x² + 3y²)dA = 3,4 4 X X X T/2 =126² 5²¹² (cos(0))+de 1 cos(20) 14cos (0) Jo 2 1/2 Jo = 37² de = 192 -)²de /2 -π/2 /2 [1 + 2cos(20) + (1 + cos(40))]de r dr de (cos(0))+de
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 52RE
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