Answer:
[tex]\large\boxed{B.\ \cos(37^o)=\dfrac{x}{14}}[/tex]
Step-by-step explanation:
[tex]sine=\dfrac{opposite}{hypotenuse}\\\\cosine=\dfrac{adjacent}{hypotenuse}\\\\tangent=\dfrac{opposite}{adjacent}\\\\\text{We have}\ adjacent=x\ \text{and}\ hypotenuse=14.\\\text{Therefore it's a cosine.}[/tex]
