Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!decvax!decwrl!sun!cochon From: cochon@sun.UUCP (Philippe Lacroute) Newsgroups: net.math Subject: Interesting trig problem Message-ID: <365@sun.UUCP> Date: Wed, 30-Nov-83 18:49:16 EST Article-I.D.: sun.365 Posted: Wed Nov 30 18:49:16 1983 Date-Received: Thu, 1-Dec-83 23:00:45 EST Lines: 17 Solve for x: x = sin(cos(sin(cos(sin(cos(...(k))))))) where k = any number (the k value is irrelevant) x always comes out to a constant, seemingly irrational number when any k value is tested. The problem is to solve it for an exact value. The farthest I have gotten is this: x = sin(cos[sin(cos(...))]) so x = sin(cos(x)) I don't know if this is helpful. -Philippe Lacroute ...decvax!sun!cochon