Find the area r=3 cos theta and r=2 - cos theta? i got intersection as pi/3 and the answer i got is 2pi/3 not sure its right

area-r3-cos-theta
r2-cos-theta

#1

find the area r=3 cos theta and r=2 - cos theta? i got intersection as pi/3 and the answer i got is 2pi/3 not sure its right, can someone me please.

Answer:
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