Question

find the trig ratio.
remember: sohcahtoa

Explanation:

Step1: Recall the cosine formula

In a right - triangle, $\cos\theta=\frac{\text{adjacent}}{\text{hypotenuse}}$ (from SOHCAHTOA).

Step2: Identify adjacent and hypotenuse

For angle $\theta$, the adjacent side is $15$ and the hypotenuse is $17$.

Answer:

$\frac{15}{17}$