Merge pull request #7258 from jynus/issue7247

Update usages of obsolete rad2deg() and deg2rad() in docs

tutorials/scripting/evaluating_expressions.rst

@@ -8,7 +8,7 @@ Godot provides an :ref:`class_Expression` class you can use to evaluate expressi
 An expression can be:
 
 - A mathematical expression such as ``(2 + 4) * 16/4.0``.
-- A built-in method call like ``deg2rad(90)``.
+- A built-in method call like ``deg_to_rad(90)``.
 - A method call on an user-provided script like ``update_health()``,
   if ``base_instance`` is set to a value other than ``null`` when calling
   :ref:`Expression.execute() <class_Expression_method_execute>`.
@@ -145,8 +145,8 @@ The script below demonstrates what the Expression class is capable of::
         # Math expression with variables.
         evaluate("x + y", ["x", "y"], [60, 100])
 
-        # Call built-in method (hardcoded in the Expression class).
-        evaluate("deg2rad(90)")
+        # Call built-in method (built-in math function call).
+        evaluate("deg_to_rad(90)")
 
         # Call user method (defined in the script).
         # We can do this because the expression execution is bound to `self`
@@ -182,7 +182,7 @@ The output from the script will be::
 
     4
     160
-    1.570796
+    1.5707963267949
 
     You called 'call_me()' in the expression text.
     1365