sin ( u ± v ) = sin u cos v ± cos u sin v {\displaystyle \sin {(u\pm v)}=\sin {u}\cos {v}\pm \cos {u}\sin {v}}
cos ( u ± v ) = cos u cos v ± sin u sin v {\displaystyle \cos {(u\pm v)}=\cos {u}\cos {v}\pm \sin {u}\sin {v}}
tan ( u ± v ) = tan u ± tan v 1 ± tan u tan v {\displaystyle \tan {(u\pm v)}={\frac {\tan {u}\pm \tan {v}}{1\pm \tan {u}\tan {v}}}}
This material was adapted from the original CK-12 book that can be found here. This work is licensed under the Creative Commons Attribution-Share Alike 3.0 United States License
