Use a graphing utility to graph and in the same viewing rectangle. Is y2 the partial-fraction decomposition of y1?
7/21/2017 OneNote Online Trig. Sub. 10/18 Monday, October 14, 211:14 AM https://onedrive.live.com/view.aspxresid=36773184373A8F0B%21196&authkey=AndS3T22WHUFCDM 1/6 7/21/2017 OneNote Online https://onedrive.live.com/view.aspxresid=36773184373A8F0B%21196&authkey=AndS3T22WHUFCDM 2/6 7/21/2017 OneNote