9514 1404 393
Answer:
D, F
Step-by-step explanation:
The mnemonic SOH CAH TOA can help you with this. It reminds you ...
Sin = Opposite/Hypotenus
sin(40°) = x/b . . . . matches D
Cos = Adjacent/Hypotenuse
cos(40°) = a/b . . . . no match
Tan = Opposite/Adjacent
tan(40°) = x/a . . . . matches F
