What is the midline equation of {:[y=-9cos((pi)/(2)x-6)+8?],[y=]:}

Midline of Trigonometric Function: The midline of a trigonometric function like $ y = A \cos(Bx - C) + D $ or $ y = A \sin(Bx - C) + D $ is the horizontal line $ y = D $, where $ D $ is the vertical shift from the x-axis.Determining the Midline for the First Function: For the first function $ y = -9\cos\left(\frac{\pi}{2}x - 6\right) + 8 $, the midline is given by the constant term outside the cosine function, which is $ +8 $.No Midline for the Second Function: For the second function, there is no explicit function given, so we cannot determine a midline for it.

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What is the midline equation of

{:[y=-9cos((pi)/(2)x-6)+8?],[y=]:}

What is the midline equation of $\newline$ $\begin{array}{l} y=-9 \cos \left(\frac{\pi}{2} x-6\right)+8 ? \\ y=\square \end{array}$

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Q. What is the midline equation of

\newline

\begin{array}{l} y=-9 \cos \left(\frac{\pi}{2} x-6\right)+8 ? \\ y=\square \end{array}

Midline of Trigonometric Function: The midline of a trigonometric function like $y = A \cos(Bx - C) + D$ or $y = A \sin(Bx - C) + D$ is the horizontal line $y = D$ , where $D$ is the vertical shift from the x-axis.
Determining the Midline for the First Function: For the first function $y = -9\cos\left(\frac{\pi}{2}x - 6\right) + 8$ , the midline is given by the constant term outside the cosine function, which is $+8$ .
No Midline for the Second Function: For the second function, there is no explicit function given, so we cannot determine a midline for it.