In AABC, what is the value of cos B?
A. 5/13 B. 12/13 C. 5/12 D. 13/12

Answer:
Option B ⇒ [tex]\frac{12}{13}[/tex]
Step-by-step explanation:
Cos B = adjacent/hypotenuse
adjacent = 12
hypotenuse = 13
∴ cos B = 12/13
The answer is option B