Answered

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Sketch the function for the interval. State the periodicity of the model

Sketch The Function For The Interval State The Periodicity Of The Model class=

Sagot :

Explanation:

The function is given below as

[tex]y=4cos(18x)[/tex]

To sketch the graph, we will have the image below at the interval

[tex]0\leq x\leq40[/tex]

The periodicity of the model will be calculated below as

[tex]\begin{gathered} 18=\frac{2\pi}{B} \\ B=\frac{2\pi}{18} \\ B=\frac{\pi}{9} \\ B=\frac{180}{9} \\ B=20^0 \end{gathered}[/tex]

Hence,

The periodicity is

[tex]20^0[/tex]

View image ChesneeP726753
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