NCAR
diff --git a/‎ncl/ncl_entries/ncl_entries.rst
+1 b/‎ncl/ncl_entries/ncl_entries.rst
+1
@@ -11,3 +11,4 @@ Dates and Times
 
     days_in_month.ipynb
     day_of_week.ipynb
+    trigonometric_functions.ipynb
Original file line number	Diff line number	Diff line change
`@@ -11,3 +11,4 @@ Dates and Times`
`11`	`11`
`12`	`12`	`days_in_month.ipynb`
`13`	`13`	`day_of_week.ipynb`
	`14`	`+ trigonometric_functions.ipynb`