QUESTION IMAGE
Question
resuelve para incógnita redondea a la décima más cercana, si es necesario. tu respuesta incógnita - 4.2
Step1: Aplicar la función trigonométrica coseno
$$\cos(85^{\circ})=\frac{x}{9.4}$$
Step2: Despejar la variable \(x\)
$$x = 9.4\times\cos(85^{\circ})$$
Step3: Calcular el valor numérico
$$x\approx9.4\times0.08716\approx0.8$$
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\(x\approx0.8\)