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Mathematics, 13.10.2021 02:40 ciarrap552

Find all points on the graph of the function f(x) = 2 cos(x) + cos2(x) at which the tangent line is horizontal.( (x, y) = = (1
. - 1
(smaller y-value
x
(x, y) = ( an.2
(larger y-value)
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Find all points on the graph of the function f(x) = 2 cos(x) + cos2(x) at which the tangent line is

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