diff --git a/docs/source/todo.rst b/docs/source/todo.rst
index 94f947e35..05f253804 100644
--- a/docs/source/todo.rst
+++ b/docs/source/todo.rst
@@ -3,6 +3,9 @@ TODO
 
 For next compiler release (7.3)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+- add cosr8, sinr8, cosr16 and sinr16 that take a degree 0..179 (= 0..359 in 2 degree steps)
+  to more easily scale halves/quarters etc of a circle than possible with the ones that take 0..255 'degrees'.
+
 - if-statement expression simplification sometimes increases code size (Petaxian) FIX THIS!
 - add expression simplification to while and until loops as well.
 - let typecasting code use expression.typecastTo()