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888

Part of 2013 Today's Calculation Of Integral

Problems(1)

Today's calculation of Integral 888

Source: 2013 Meijyo University entrance exam

7/16/2013
In the coordinate plane, given a circle K:x2+y2=1, C:y=x2−2K: x^2+y^2=1,\ C: y=x^2-2. Let ll be the tangent line of KK at P(cos⁡θ, sin⁡θ) (π<θ<2π).P(\cos \theta,\ \sin \theta)\ (\pi<\theta <2\pi). Find the minimum area of the part enclosed by ll and CC.
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