Evaluate the function requested. Write your answer as a fraction in lowest terms. Triangle A B C. Angle C is 90 degrees. Hypotenuse A B is 123, adjacent B C is 27, opposite A C is 120.
Find cos B.
a.
Cosine B = StartFraction 40 Over 41 EndFraction
c.
Cosine B = StartFraction 9 Over 40 EndFraction
b.
Cosine B = StartFraction 41 Over 40 EndFraction
d.
Cosine B = StartFraction 9 Over 41 EndFraction

Please select the best answer from the choices provided

A
B
C
D