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Find x. Round your answer to the nearest tenth of a degree. plz help!

Find X Round Your Answer To The Nearest Tenth Of A Degree Plz Help class=

Sagot :

Answer:

  36.9°

Step-by-step explanation:

The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

  cos(x) = 8/10 = 0.8

The inverse trig function is used to find the angle:

  x = arccos(0.8) 36.9°