Respuesta :

Hrishii

Answer:

22.4°

Step-by-step explanation:

[tex]x = {sin}^{ - 1} \frac{8}{21} \\ ={sin}^{ - 1} (0.380952381) \\ = 22.392687808 \degree \\ \huge \red{ \boxed{\therefore \: x = 22.4 \degree}} [/tex]

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