h2oai · samukweku · Apr 3, 2023 · Apr 3, 2023
diff --git a/docs/api/math/arccos.rst b/docs/api/math/arccos.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.arccos
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_arccos
+    :src: src/core/expr/funary/trigonometric.cc pyfn_arccos
     :cvar: doc_math_arccos
     :signature: arccos(x)
 

diff --git a/docs/api/math/arcsin.rst b/docs/api/math/arcsin.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.arcsin
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_arcsin
+    :src: src/core/expr/funary/trigonometric.cc pyfn_arcsin
     :cvar: doc_math_arcsin
     :signature: arcsin(x)
 

diff --git a/docs/api/math/arctan.rst b/docs/api/math/arctan.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.arctan
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_arctan
+    :src: src/core/expr/funary/trigonometric.cc pyfn_arctan
     :cvar: doc_math_arctan
     :signature: arctan(x)
 

diff --git a/docs/api/math/cos.rst b/docs/api/math/cos.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.cos
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_cos
+    :src: src/core/expr/funary/trigonometric.cc pyfn_cos
     :cvar: doc_math_cos
     :signature: cos(x)
 

diff --git a/docs/api/math/deg2rad.rst b/docs/api/math/deg2rad.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.deg2rad
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_deg2rad
+    :src: src/core/expr/funary/trigonometric.cc pyfn_deg2rad
     :cvar: doc_math_deg2rad
     :signature: deg2rad(x)
 

diff --git a/docs/api/math/rad2deg.rst b/docs/api/math/rad2deg.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.rad2deg
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_rad2deg
+    :src: src/core/expr/funary/trigonometric.cc pyfn_rad2deg
     :cvar: doc_math_rad2deg
     :signature: rad2deg(x)
 

diff --git a/docs/api/math/sin.rst b/docs/api/math/sin.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.sin
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_sin
+    :src: src/core/expr/funary/trigonometric.cc pyfn_sin
     :cvar: doc_math_sin
     :signature: sin(x)
 

diff --git a/docs/api/math/tan.rst b/docs/api/math/tan.rst
@@ -1,6 +1,6 @@
 
 .. xfunction:: datatable.math.tan
-    :src: src/core/expr/funary/trigonometric.cc resolve_op_tan
+    :src: src/core/expr/funary/trigonometric.cc pyfn_tan
     :cvar: doc_math_tan
     :signature: tan(x)
 

diff --git a/src/core/expr/funary/pyfn.cc b/src/core/expr/funary/pyfn.cc
@@ -111,16 +111,6 @@ void py::DatatableModule::init_funary()
     ADD_FN(&dt::expr::funary_pyfn, dt::expr::ARGS); \
     register_args(dt::expr::ARGS, dt::expr::OP)
 
-  // Trigonometric
-  FUNARY(args_sin,     Op::SIN);
-  FUNARY(args_cos,     Op::COS);
-  FUNARY(args_tan,     Op::TAN);
-  FUNARY(args_arcsin,  Op::ARCSIN);
-  FUNARY(args_arccos,  Op::ARCCOS);
-  FUNARY(args_arctan,  Op::ARCTAN);
-  FUNARY(args_deg2rad, Op::DEG2RAD);
-  FUNARY(args_rad2deg, Op::RAD2DEG);
-
   // Hyperbolic
   FUNARY(args_sinh,    Op::SINH);
   FUNARY(args_cosh,    Op::COSH);

diff --git a/src/core/expr/funary/pyfn.h b/src/core/expr/funary/pyfn.h
@@ -26,15 +26,6 @@ namespace dt {
 namespace expr {
 
 
-// Trigonometric
-extern py::PKArgs args_sin;
-extern py::PKArgs args_cos;
-extern py::PKArgs args_tan;
-extern py::PKArgs args_arcsin;
-extern py::PKArgs args_arccos;
-extern py::PKArgs args_arctan;
-extern py::PKArgs args_deg2rad;
-extern py::PKArgs args_rad2deg;
 
 // Hyperbolic
 extern py::PKArgs args_sinh;