Answer:
B
Step-by-step explanation:
I always remember SOH-CAH-TOA (I pronounce it "suck a toe")
SOH
Sin=Opposite/adjacent.
CAH
Cos=adjacent/Hypotenuse.
TOA
Tan=opposite/adjacent
I'm not sure what's up with all the dashes, but imma say cos
as you saw, cos= adjacent/hypotenuse, so B