Added degrees() and radians() to mathmodule.  Closing patch 552452 and
feature request 426539.
diff --git a/Doc/lib/libmath.tex b/Doc/lib/libmath.tex
index 0f286d4..f013e23 100644
--- a/Doc/lib/libmath.tex
+++ b/Doc/lib/libmath.tex
@@ -47,6 +47,10 @@
 Return the hyperbolic cosine of \var{x}.
 \end{funcdesc}
 
+\begin{funcdesc}{degrees}{x}
+Converts angle \var{x} from radians to degrees.
+\end{funcdesc}
+
 \begin{funcdesc}{exp}{x}
 Return \code{e**\var{x}}.
 \end{funcdesc}
@@ -99,6 +103,10 @@
 Return \code{\var{x}**\var{y}}.
 \end{funcdesc}
 
+\begin{funcdesc}{radians}{x}
+Converts angle \var{x} from degrees to radians.
+\end{funcdesc}
+
 \begin{funcdesc}{sin}{x}
 Return the sine of \var{x}.
 \end{funcdesc}