Une spirale plane est courbe ayant une équation polaire r = f(q) avec f monotone sur un intervalle non borné. Les spirales sont forcément des courbes transcenda…
Old Map of Northern Europe Spiral Notebook by Guillaume Raynal - Pixels
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Liquid Blue Grateful Dead Spiral Bears Couverture polaire pour homme Multicolore 127 x 152,4 cm, Multicolore. : Amazon.ca: Maison
TFCFL Dimmable LED Ceiling Light, Round Flush Mount Ceiling Lamp 40W Dimmable LED Chandelier Light Fixtures with Remote Home Decoration Lighting for Living Room Kitchen Bedroom Dinner Room US Stock
Blue vector abstract geometric gradient background with crossing radial white lines. Abstract funnel or spiral Stock Vector Image & Art - Alamy
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Rainbow Glitter Unicorn" Spiral Notebook for Sale by littlebeane | Redbubble