Answer:
c 21 / 29
Step-by-step explanation:
with reference angle α
base (b) = 21
hypotenuse (h) = 29
Now
cos α = b/h
= 21/ 29
Hope it will help you :)
The answer is C) 21/29
The formula for cosine is: adjacent side divided by the hypotenuse (adj/hyp) so 21/29
Hope it help and good luck!
