극곡선의 접선은 접선,tangent_line으로

극(pole) ⇔ $r=0$


tmp Bmks en
Families of Polar Curves
http://mathonline.wikidot.com/families-of-polar-curves-r-sin-bth-and-r-cos-bth


극방정식,polar_equation

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last modified 2022-02-01 20:59:45