Rev for Trig Test 2 #5 and 6a

Solutions to a Review for a Trigonometry Test for a class. Youtube videos by Julie Harland are organized at http://yourmathgal.com. See pdf on that site under Trig, special videos. Determining if the tan(4) is positive or negative; Graphing y=-2siin(x), and stating amplitude.<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos . Aligned to Common Core State Standard: HSF-IF.7