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October 2, 2014

October 2, 2014

Posted by **Cole** on Monday, June 24, 2013 at 7:13pm.

Please I really need help.

- Math -
**Steve**, Tuesday, June 25, 2013 at 10:19amfind 0<α<π/4 where the curves intersect

Then, by symmetry,

a = 8∫[0,α] 1/2 (R^2-r^2) dθ

where R=150cos2θ and r=5√3

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