Question

Given the function f with the restricted domain, find the points at which the tangent line is horizontal.

f(x)=2sec(x)-tan(x)
Domain: [-pi/2,pi/2]

* I got (pi/6, square root of 3), but I am not sure if that is right, or if there is another point.

Related Questions

Find all points on the graph of the function f(x) = 2 sin(x) + (sin(x))^2 at which the tangent line... Find all points on the graph of the function f(x) = 2 sin(x) + (sin(x))^2 at which the tangent line... The function f(x)=(x-5)^2+2 is not one-to-one. Identify a restricted domain that makes the function...