diff --git a/src/c/funktionen.h b/src/c/funktionen.h
index 54c545a..9726659 100644
--- a/src/c/funktionen.h
+++ b/src/c/funktionen.h
@@ -55,4 +55,7 @@ float arcTangent(float x);
 
 // Function to convert degrees to radians
 float degreesToRadians(float x);
+
+// Function to convert radians to degrees
+float radiansToDegrees(float x);
 #endif
\ No newline at end of file