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Kardioida (poseban slučaj Pascalovog puža za a<br />

l)<br />

2<br />

Implicitna jednadžba: <br />

x 2 y 2 2ax x 2 y 2 a 2 y<br />

2 0<br />

Parametarske jednadžbe: xacos1 cos<br />

yasin1<br />

cos<br />

Polarna jednadžba: a1<br />

cos<br />

Cassinijevi ovali<br />

2<br />

Implicitna jednadžba: <br />

x 2 y 2 2c 2 x 2 y 2 a 4 c<br />

4 0<br />

Polarna jednadžba: 2 c 2 cos2 c 4 cos 2 2<br />

a 4 c<br />

4<br />

<br />

.<br />

xii

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