Respuesta :

Answer:

[tex]cos=1[/tex]

Step-by-step explanation:

Use the acronym SOH-CAH-TOA

sin = [tex]\frac{3}{4}[/tex]

So opposite is 3 and hypotenuse is 4.

tan = [tex]\frac{-3}{4}[/tex]

So opposite is -3 and adjacent is 4.

cos = adjacent/hypotenuse

cos = [tex]\frac{4}{4}=1[/tex]