CH A CO NACO H N CO A OT -21 3 t Use the graph to answer the question. Which function is shown in the graph? O A. y = tan 0 O B. y = sec 0 O C. y = csc 0 O D. y = cot eWhich functions have graphs that cross the x-axis at 8= ~ ? Select all that apply. O A. y = sin 0 O B. y = cos 0 O C. y = tan 0 O D. y = sec 0 O E. y = csc 0 O F. y = cot 0At which values of 0 is the function y = sec 0 undefined? O A. all multiples of IT O B. odd multiples of IT O C. all multiples of O D. odd multiples of