Update 726-math-csc.markdown

Joe7M · web-flow · commit c8f9d79c5db5 · 2023-10-19T15:08:28.000+02:00
diff --git a/_build/reference/726-math-csc.markdown b/_build/reference/726-math-csc.markdown
@@ -1,8 +1,10 @@
 # CSC
 
-> CSC (x)
+> f = CSC (x)
 
-Cosecant.
+Cosecant of `x`.
+
+### Example
 
 ```
 a = csc(0.1)
