User - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-23T16:15:42Z http://mathoverflow.net/feeds/user/24033 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/35260/resultant-probability-distribution-when-taking-the-cosine-of-gaussian-distributed/98194#98194 Answer by unknown (yahoo) for Resultant probability distribution when taking the cosine of gaussian distributed variable unknown (yahoo) 2012-05-28T14:21:01Z 2012-05-28T14:21:01Z <p>Cody, is it wright what you say? Sigma is varying with the mean? If I measure an angle of 90 degrees, then $N_{\cos}(0,{\sigma}^2)$ and $N_{\sin}(1,0)$? And if I measure an angle of 0 degrees, then $N_{\cos}(1,0)$ and $N_{\sin}(0,{\sigma}^2)$ ? Where do I find the theory of that?</p>