What is the equation of the graph below? On a coordinate plane, the x axis ranges from negative 2 pi to 2 pi with an interval of pi by 2 units and the y axis ranges from negative 2 to 6 with an interval of 2 units. The graph is 2 pi periodic with asymptotes at x equals plus or minus n pi. It touches the lines y equals 3 at (pi by 2, comma 3) and (negative 3 pi by 2 comma 3) and y equals 1 at (3 pi by 2 comma 1) and (negative pi by 2 comma 1). y = sec(x) 2 y = csc(x) 2 y = csc(x 2) y = sec(x 2)