Posted by Cole on Monday, June 24, 2013 at 7:13pm.
Find the area inside the lemniscate r^2=150cos(2theta) and outside the circle r=5sqrt(3).
Please I really need help.

Math  Steve, Tuesday, June 25, 2013 at 10:19am
find 0<α<π/4 where the curves intersect
Then, by symmetry,
a = 8∫[0,α] 1/2 (R^2r^2) dθ
where R=150cos2θ and r=5√3
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