Keep students engaged during AP Precalculus test prep with these FRQ #3 stations! Students will focus on constructing models of periodic (sinusoidal) contexts. In a series of nine stations, students will work through THREE real-world scenarios ... Labeling five key points on a graphWriting both a sine and cosine equationDescribing an interval as positive/negative, increasing/decreasing, concave up/concave downDeterming how the rate of change of the function is changing over a certain interva