Question

Can somebody help me with this

Answer 1

The answer to your question is letter A.
`(5)/(13)`

Explanation:

Cosine is the trigonometric function that the adjacent side and the hypotenuse.

Formula

cos x =
`(adjacent side)/(hypotenuse)`

For x:

Adjacent side = 5

Hypotenuse = 13

Substitution

cos x =
`(5)/(13)`