The document contains messages from several students posting trigonometric function graphs they drew. Jonathan Burch posted graphs of y=sin(x), y=-cos(x), and y=-tan(x). Sarah MacArthur posted graphs of Y=cos(x), Y=sin(x), and y=-sin(x). Other students, including Madison Donald, Brittany Taylor, Cameron Sabiston, and Austin Miller, also posted various trigonometric function graphs.