Answer:
B. cos F = 9/41, cos E = 40/41
Step-by-step explanation:
use SOH CAH TOA
cosine is CAH which is adjacent over hypotenuse
the adjacent side to F is 9 and the hypotenuse is 41 so 9/41
the adjacent side to E is 40 and the hypotenuse is 41 so 40/41
hope this helped! :)
