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max2010maxim [7]
3 years ago
10

The following graph is f(x) = sin(x), true or false?

Mathematics
2 answers:
timurjin [86]3 years ago
7 0
The answer is true





Hope this helped :)
Andreyy893 years ago
4 0
True. It passes through the origin, so it's the sine function (rather than the cosine function).
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Right triangles add up to 180 degrees and one of the angles is 90
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The gas tank on a car holds 16.6 gallons. If the car goes 332 miles on a single tank how many miles per gallon does the car get
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Una torre de 28.2 m de altura esta situada a la orilla de un rio, desde lo alto del edificio el ángulo de depresión a la orilla
Svet_ta [14]

Answer:

El ancho del río es 59.9 metros.

Step-by-step explanation:

El ancho del río lo podemos calcular con la siguiente relación trigonométrica asumiendo que la torre forma un triángulo rectángulo con el río:

tan(\theta) = \frac{CO}{CA}

En donde:

CA: es el cateto adyacente = Altura de la torre = 28.2 m

CO: es el cateto opuesto = ancho del río =?

θ: es el ángulo adyacente a CA

Dado que el ángulo de depresión (25.2°) está ubicado fuera de la parte superior de la hipotenusa del triángulo que forma la torre con la orilla opuesta del río, debemos calcular el ángulo interno (θ) como sigue:

\theta = (90 - 25.2)^{\circ} = 64.8 ^{\circ}

Ahora, el ancho del río es:

CO = tan(\alpha)*CA = tan(64.8)*28.2 = 59.9 m

Por lo tanto, el ancho del río es 59.9 metros.

Espero que te sea de utilidad!                  

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