Respuesta :

gmany

Answer:

[tex]\huge\boxed{D)\ 0.7241}[/tex]

Step-by-step explanation:

[tex]cosine=\dfrac{adjacent}{hypotenuse}\\\\\text{We have}:\\\\adjacent=21,\ hypotenuse=29\\\\\text{Substitute:}\\\\\cos X=\dfrac{21}{29}=21:29\approx0.7241[/tex]

MSipe

Answer:

D). 0.7241

Step-by-step explanation:

The Cosine of a reference angle is determined by dividing the length of the adjacent side by the length of the hypotenuse.

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