Respuesta :

Answer:

Cos S =

[tex] \frac{80}{82} = \frac{40}{41} [/tex]

Cos T =

[tex] \frac{18}{82} = \frac{9}{41} [/tex]

Step-by-step explanation:

Hypotenuse will be opposite the right angle.

Opposite with be opposite where we're working out where the angle will be S and T.

Adjacent is the last side which we need and will place in.