Trigonometric Identity: tan(x +/- y): Proof (DTube)mes (67)in #dtube • 8 years ago (edited)View this post on Hive: Trigonometric Identity: tan(x +/- y): Proof (DTube)
I don’t always discuss polar coordinates but when I do I usually represent polar equations in an infinite number of ways ;)
View Video Notes: https://steemit.com/mathematics/@mes/video-notes-trigonometric-identity-tan-x-y-proof