Spiraal: Verskil tussen weergawes

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Etiket: 2017-bronwysiging
Martinvl (besprekings | bydraes)
Lyn 33:
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The following considerations are dealing with spirals, which can be described by a polar equation <math>r=r(\varphi)</math>, especially for the cases <math>r(\varphi)=a\varphi^n</math> (Archimedean, hyperbolic, Fermat's, lituus spirals) and the logarithmic spiral <math>r=ae^{k\varphi}</math>.
[[File:Sektor-steigung-pk-def.svg|thumb|DefinitionDefinisie ofvan sectorsektor (light blueligblou) and polaren slopepolêre anglehellinghoek <math>\alpha</math>]]
 
====Polêre hellinghoek====