Simplify[ArcTan[Tan[a] + Tan[b]]]
- To: mathgroup at smc.vnet.net
- Subject: [mg120479] Simplify[ArcTan[Tan[a] + Tan[b]]]
- From: rych <rychphd at gmail.com>
- Date: Mon, 25 Jul 2011 07:28:34 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Can't Mathematica tell anything about ArcTan[Tan[a] + Tan[b]]? Maybe there exists no useful identity for that? By useful I mean the expression with functions of the "angles" a and b other than tangents. Thanks Igor