--- loncom/xml/lontexconvert.pm	2005/02/24 09:44:46	1.53
+++ loncom/xml/lontexconvert.pm	2005/02/24 09:48:05	1.54
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.53 2005/02/24 09:44:46 albertel Exp $
+# $Id: lontexconvert.pm,v 1.54 2005/02/24 09:48:05 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -261,6 +261,9 @@ sub postprocess_algebra {
     # log(3,4) means the log base 4 of 3
     $string =~s/\\log\\left\((.+?),(.+?)\\right\)/\\log_{$2}\\left($1\\right)/gs;
 
+    # log(3,4) means the log base 4 of 3
+    $string =~s/\\((?:sin|cos|tan|sec|csc|cot)(?:h)?)\\left\((.+?),(.+?)\\right\)/\\$1^{$3}\\left($2\\right)/gs;
+
     # remove the extra () in the denominator of a \frac
     $string =~s/\\frac{(.+?)}{\\left\((.+?)\\right\)}/\\frac{$1}{$2}/gs;