ap-calculus-bc 2012 Q91

ap-calculus-bc · Usa · practice-exam Polar coordinates
The figure above shows the graphs of the polar curves $r = 2 \cos ( 3 \theta )$ and $r = 2$. What is the sum of the areas of the shaded regions?
(A) 0.858
(B) 3.142
(C) 8.566
(D) 9.425
(E) 15.708
The figure above shows the graphs of the polar curves $r = 2 \cos ( 3 \theta )$ and $r = 2$. What is the sum of the areas of the shaded regions?

(A) 0.858

(B) 3.142

(C) 8.566

(D) 9.425

(E) 15.708