Where, on the interval [0, 2π], does the following function have a horizontal tangent line? f(x) = 19 cos(x) + 10x f(x)
Posted: Tue Jun 07, 2022 7:13 am
Where, on the interval [0, 2π], does the following function have a horizontal tangent line? f(x) = 19 cos(x) + 10x f(x) has horizontal tangents at a =