The involute of a circle Posted on 2020/12/02 by Carl Robitaille Involutes are great! They allow for a nice geometric interpretation of the power seriescos(x) = 1 – x²/2! + x⁴/4! – …andsin(x) = x – x³/3! + x⁵/5! – …https://t.co/AGT6VxaD5b— Tamás Görbe (@TamasGorbe) November 25, 2020