Berkas:Trig Functions.pngCommons Attribution-Share Alike 3.0 truetrue English A handy chart of trig functions URL: https://commons.wikimedia.org/wiki/user:Chasetaylor1 Wikimedia
Berkas:Trig Functions.svgDescriptionTrig Functions.svg English: All of the trigonometric functions on a unit circle for a line at 45 degrees. Date 4 June 2012 Source Own work