= Find all points on the graph of the function f(x) = 2 sin x +sin² x at which the tangent line is horizontal. Is the gr
Posted: Thu May 12, 2022 9:54 am
= Find all points on the graph of the function f(x) = 2 sin x +sin² x at which the tangent line is horizontal. Is the graph of the function concave up or concave down at those points?