Comment on xkcd #2904: Physics vs. Magic
azulavoir@sh.itjust.works 8 months agoImagine taking a line and rolling it around a circle so that it’s always touching. Like a wheel on a flat surface, but from the wheel’s perspective.
Sine and cosine are the X and Y coordinates of the intersection point, and tangent is the slope of the line.
You can also relate it back to acoustics!
0ops@lemm.ee 8 months ago
Woah