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Solução_Calculo_Stewart_6e

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F.<br />

25. To findtheareainsidetheleminiscater 2 =8cos2θ and outside the circle r =2,<br />

we first note that the two curves intersect when r 2 =8cos2θ and r =2,<br />

that is, when cos 2θ = 1 2 .For−π

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