Respuesta:
0.8
Explicación paso a paso:
cos a = cateto adyacente
hipotenusa
cos a = ac
ab
cos a = 4/5
cos a = 0.8
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Respuesta:
0.8
Explicación paso a paso:
cos a = cateto adyacente
hipotenusa
cos a = ac
ab
cos a = 4/5
cos a = 0.8