Add bin and edit workflow

bin/gems/facets-3.1.0/lib/standard/facets/math/csc.rb

@@ -0,0 +1,13 @@
+module Math
+
+  # Cosecans of `x`.
+  def self.csc(x)
+    1.0 / sin(x)
+  end
+
+  # Cosecans of `x`.
+  def self.cosec(x)
+    1.0 / sin(x)
+  end
+
+end