Find the equation of the graph given below using the points provided. Notice that the cosine function is used in the answer template, representing a cosine function that is shifted and/or reflected. Use the variable x in your equation, but be careful not use the multiplication x symbol. Provide your answer below: 2- 0 -TT -/2 0 /2 -1- E T (-1,-3) -5 -6- -21 -3- -4- 123456 (3) -73