Use the links for help/practice
https://www.khanacademy.org/math/trigonometry/trig-function-graphs/trig_graphs_tutorial/v/trig-function-equation
https://www.youtube.com/watch?v=kiuV-DAlopE
https://www.youtube.com/watch?v=jfQ5KNt2pmc
http://www.regentsprep.org/regents/math/algtrig/att7/sinusoidal.htm
HW: Complete the WS 13.4 - 13.5 packet and Quiz on 13.4 - 13.5 is tomorrow, May 15th. Complete your TenMarks assignments by Tuesday.