Answer:
B, C, E, F
Explanation:
Solve for the missing angle first (which is 42°)
Listing all of the basic trig ratios (sohcahtoa):
sin x = opp/hyp
cos x = adj/hyp
tan = opp/adj
sin 48° = a/c
cos 48° = b/c
tan 48 = a/b
sin 42° = b/c
cos 42° = a/c
tan 42° = b/a