diff --git a/verif/conformance/test_select.py b/verif/conformance/test_select.py
index 55eef58..58d3f9f 100644
--- a/verif/conformance/test_select.py
+++ b/verif/conformance/test_select.py
@@ -848,6 +848,18 @@
     name = "rsqrt"
 
 
+class CosOperator(Operator):
+    """Test selector for the COS operator."""
+
+    name = "cos"
+
+
+class SinOperator(Operator):
+    """Test selector for the SIN operator."""
+
+    name = "sin"
+
+
 class ScatterOperator(Operator):
     """Test selector for the SCATTER operator."""