/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: LindaHarrup https://cdn.slidesharecdn.com/profile-photo-LindaHarrup-48x48.jpg?cb=1526903692 What part of an inverse tangent function approaching an asymptote don't you understand? I have all that I have because of those who love me