Find another function that has the same graph as each function named below. More than one answer is possible
a. y = co (π/2 -x)
b. y = sin (π/2 -x)
c. y = tan (π/2 -x)
d. y = cos (- x)
e. y = sin (- x)
f. y = tan (- x)
g. y = sin ( x + 2π)
h. y = cos (π/2 -x)
i. y = tan ( x + π)