The following represents the graph of the function: a7 ". Jr ". it) =C3t IE IIcosll I! Based on the graph of his function do the following: :1. Use your understanding of how.r to identify the parameters of the sinusoidal function '1' = a sin(b1' c) d or '1' = a cosbx c) d to write the equation of a simpler mctionpq'brj that describes the graph. Explain your choices. 13. Check the answer you obtained in (a) by graphing the new function pfx}. Obtain a printout of the graph. Explain how you used your graphing calculator to verify that your answer is correct. 1:. Verify algebraically that the two equations are equivalent