Practice worksheet for graphing sine and cosine functions with completed answers.
A worksheet titled "6.4 Day 3 Graphing Sine/Cosine Practice WS" with two problems involving graphing trigonometric functions. Problem 1 is y = 2cos(x) with answers filled in for amplitude, period, and key points. Problem 2 is y = -3sin(1/2x) with a graph sketched and answers for amplitude, period, and key points. The student's name is "Key" and the date is blank.