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Lynna [10]
10 months ago
9

Write a cosine function for the graph.

Mathematics
1 answer:
Alik [6]10 months ago
6 0

The correct option A: y = -4 cos Ф/4, is the cosine function for the graph.

<h3>Define the term cosine function?</h3>

The ratio between the angle's adjacent leg and the hypotenuse when it is regarded as a leg of a right triangle is a trigonometric function for an acute angle.

  • One of the three fundamental trigonometric functions, cosine is the complement of sine (co+sine) and one of the three main trigonometric functions.
  1. Y=cos(x) has its greatest value when x = 2nπ, wherein n is an integer.
  2. Y=cos(x) has a lowest value for x=  π+2nπ , wherein n is an integer.

For the given graph,

cosine function:  y = -4 cos Ф/4.

In which, -4 is the amplitude (maximum displacement from the x axis).

Negative sign shows, the displacement is taken along negative y-axis.

And,  Ф/4 is the phase angle.

Thus, the cosine function for the graph is  y = -4 cos Ф/4.

To know more about the cosine function, here

brainly.com/question/27587720

#SPJ1

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Anna [14]
Sabiendo que el área del cuadrado cuyos lados miden (cada uno) "a" es igual a "a²" (A=a²), simplemente sustituimos el área por 625 m² y resolvemos la ecuación: 

<span>a² = 625 m² --> a = √(625 m²) --> a = 25m </span>

<span>Solución: Cada lado mide 25 metros. </span>


<span>Explicación de por qué el área del cuadrado con lados de longitud "a" es "a²": </span>
<span>El área de cualquier cuadrilátero es igual a la base por la altura de éste. Siendo en el cuadrado todos los lados iguales, la base y la altura también son iguales. Por lo tanto, el área del cuadrado sera el siguiente: </span>
<span>Área = Base x Altura = a x a = a² </span>

<span>¡Saludos!</span>
7 0
3 years ago
Can you help me? <br><br> 4+3(x+5)=5x-7
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Answer:

13

Step-by-step explanation:

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It might be wrong. I may have made a mistake with typing sorry.

Hope this helps a bit.

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Step-by-step explanation:

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