Conics and Matrix Circle

[@TheLegionCorp]

Thank you! This video helped me a lot, I finally found an error in another calculations which are very similar to described by you.

[@KylobytePerSecond]

Can I ask why this work? Or can you suggest a reference I could read to understand this concept? Thank you

[@footballCartoon91]

I tried to find first derivative of a circle in desmos and I got a parabola, what I want really is the tangent formula or function..