+ 5

App to learn trigonometry

24th Jun 2018, 6:28 PM
Austin Kline
Austin Kline - avatar
2 Answers
+ 13
The mathisfun website https://www.mathsisfun.com/algebra/trigonometry-index.html is a good primer. Coursera also has a trig course, and there is a great short book I've referred to many times - Precalculus Mathematics in a Nutshell by George Simmons.
24th Jun 2018, 7:46 PM
Edward Russell
Edward Russell - avatar
+ 4
khan academy
24th Jun 2018, 6:59 PM
Max
Max - avatar