Method sin

recipes/Python/59884_RPN_Stack_class/recipe-59884.py:187–189

(self)

                self.pop(); self.push(newx)
               
        def sin(self):
                newx = math.sin(self.getx())
                self.pop(); self.push(newx)
               
        def cos(self):
                newx = math.cos(self.getx())