Question

Right Triangles

Evaluate the function requested. Write your answer as a fraction in lowest terms.

Find cos B.

a. cos B = 41/40
b. cos B - 9/41
c. cos B = 40/41
d. cos B = 9/40

Please select the best answer from the choices provided

Answer 1

b

Explanation:

cos B =
`(adjacent)/(hypotenuse)` =
`(BC)/(AB)` =
`(9)/(41)` → b

Answer 2

B. cos B = 9/41

Explanation:

I calculated it logically