--- loncom/html/adm/help/tex/Formula_Response_Sampling.tex	2002/07/05 16:12:31	1.1
+++ loncom/html/adm/help/tex/Formula_Response_Sampling.tex	2002/07/18 15:52:27	1.2
@@ -1,3 +1,4 @@
+\label{Formula_Response_Sampling}
 
 As you may know, it is extremely difficult to determine whether a given expression
 is exactly equal to another expression in general. For example, is $\sin 2x=2\sin x\cos x$?