🌐EnglishEnglishEspañolFrançaisItalianoPortuguêsРусскийالعربية日本語EntityQ2064156· pop 11· linked from 13 articlessinusoidal spiralfamily of curves of the form r^n = a^n cos(nθ)Available in 10 languagesEspañolFrançais日本語РусскийItalianoCatalanRomanianSlovenianUkrainianvia Wikidata sitelinks · CC0ConnectionscircleEntityrational numberEntityCategoriesAlgebraic curvesPlane curves