Trigonometry Functions Chart - Great reference for Precalculus Students and Teachers. It includes all the major functions of sin, cos, and tan. It even includes the reciprocal functions of csc, sec, and cot.
For this activity students could be given an example polynomial and have to fill out the table and determine the end behaviour before attempting to sketch the graph. Then an online tool could be used to find the actual graph to compare to their own.