Respuesta :

Answer:

  0.72

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that the relation of interest is ...

  Cos = Adjacent/Hypotenuse

Then the cosine of angle C is ...

  cos(C) = CD/CB = 21/29

  cos(C) ≈ 0.72

Answer:

Step-by-step explanation: