In this video, I'll explain the motivation for an algorithm to calculate sine, cosine, inverse tangent, and more in a fast and efficient way. I'll cover topics like geometry, calculus, and computer science to explain where and how these ideas are developed. 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/playlist/3zNK20qC96mVSww60lVi1k