Update 723-math-cosh.markdown

Joe7M · web-flow · commit c948f1dcea0b · 2023-09-21T16:29:45.000+02:00
diff --git a/_build/reference/723-math-cosh.markdown b/_build/reference/723-math-cosh.markdown
@@ -1,15 +1,17 @@
 # COSH
 
-> COSH (x)
+> f = COSH (x)
 
-Hyperbolic cosine
+Hyperbolic cosine of `x`.
+
+### Example
 
 ```
 a = cosh(pi)
-print a
+print a                 ' Output: 11.59195327552152
 
 b = acosh(a)
-print b
+print b                 ' Output: 3.14159265358979
 ```
 
 
