adamrd02 adamrd02
  • 10-04-2021
  • Mathematics
contestada

Find the value of x. Round to the nearest degree

Find the value of x Round to the nearest degree class=

Respuesta :

akposevictor
akposevictor akposevictor
  • 15-04-2021

Answer:

b. 44°

Step-by-step explanation:

Reference angle = x

Hypotenuse = 21

Adjacent = 15

Apply trigonometric function CAH:

[tex] Cos(x) = \frac{Adj}{Hyp} [/tex]

[tex] Cos(x) = \frac{15}{21} [/tex]

[tex] x = cos^{-1}(\frac{15}{21}) [/tex]

x = 44.4153086° ≈ 44° (nearest degree)

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