Respuesta :

Hereee is the answerrr

Answer:

x = 28.1°

Step-by-step explanation:

Cos = adjacent side/hypotenuse

cos x = 15/17

x = arccos (15/17)

  = 28.1°

Note:  If you memorize all the definitions of the trig functions, then these kinds of problems are much easier.  OK?

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