The vertical shift for the function is 2π.
In a triangle, the cosine function (or cos function) is the ratio of the adjacent side to the hypotenuse. One of the three primary trigonometric functions is the cosine function.
Given that the cosine function is y = 4 cos(x) - 2. when the cosine function is plotted on the graph it is observed that the function gives 2π as a vertical shift in the upward direction and π shift in the downward direction.
The graph of the given function y = 4cos(x) - 2 is attached with the answer below.
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