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Hi,
Is there a formula for solving cos(ax) = cos(bx) generally? WolframAlpha seemed to be able to come up with pretty exact results. See http://www.wolframalpha.com/input/?i=cos%289x%29%3Dcos%287x%29. 76.104.20.125 (talk) 05:09, 1 October 2011 (UTC)
i've written an article that appears when i link on the tab with my user name (ldecola) and want to make it public. — Preceding unsigned comment added by Ldecola (talk • contribs) 20:19, 1 October 2011 (UTC)