Put calculator in Function Mode Turn on the transformation APPS by pressing APPS and select Transfrm. Press Y= and enter y1=Asin(x) Set the window by pressing Zoom: 7 Trig Press WINDOW and cursor up to Settings and set A = 1 and Step = 1. See A=1, use right arrow to increase values of A and make an observation about the effects of A Change A to be less than 1 and make an observation about the effects of A on the graph.