Another proof of the radius of curvature that's more calculus heavy and contains more visuals. See the older video here: https://www.youtube.com/watch?v=vyBkvGnPwJk
0:00 - Introduction
0:17 - Define Circle Equation
0:37 - Calculations
2:47 - Radius of Curvature Equation
3:44 - Outro
Music:
Music by Vincent Rubinetti
Download the music on Bandcamp:
https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown
Stream the music on Spotify:
https://open.spotify.com/album/1dVyjwS8FBqXhRunaG5W5u