# How to find the midline of a sinusoidal function

When locating the midline, it is vital that you take into account both the negative and positive values of the sine wave as they are both needed for calculation.

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## Midline of sinusoidal functions from equation

The midline (also known as the average line) of a sinusoidal function is found by adding the maximum and minimum values and dividing the sum by two.

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## How to find the midline of a sinusoidal function

This gives the exact middlepoint of the sine wave and indicates how high or low each half will go from this average line.