Provide Any.sin, Any.cos, Complex.sin, and Complex.cos.

Passing a $base works on the Any versions, but fails mysteriously on the Complex versions.

src/setting/Any-num.pm

@@ -64,6 +64,16 @@ class Any is also {
             default { die "Unable to convert to base: $base" }
         }
     }
+
+    our Num multi method sin($base = 'radians') is export {
+        self.Num!to-radians($base).sin; # seems awkward, but the obvious way of doing
+                                        # this is tripping up on some wierd Rakudo-bug
+    }
+
+    our Num multi method cos($base = 'radians') is export {
+        self.Num!to-radians($base).cos; # seems awkward, but the obvious way of doing
+                                        # this is tripping up on some wierd Rakudo-bug
+    }
 }
 
 our Num sub rand (*@args) {

src/setting/Complex.pm

@@ -103,12 +103,12 @@ multi sub infix:<**>($a, Complex $b) {
 }
 
 class Complex is also {
-    method sin($base = 'radians') {
-        $.re.sin($base) * $.im.cosh($base) + 1i * $.re.cos($base) * $.im.sinh($base);
+    multi method sin($base = 'radians') {
+        $.re.sin($base) * $.im.cosh($base) + ($.re.cos($base) * $.im.sinh($base))i;
     }
 
-    method cos($base = 'radians') {
-        $.re.cos($base) * $.im.cosh($base) - 1i * $.re.sin($base) * $.im.sinh($base);
+    multi method cos($base = 'radians') {
+        $.re.cos($base) * $.im.cosh($base) - ($.re.sin($base) * $.im.sinh($base))i;
     }
 }