Find the local maximum and local minimum value of `f(x)=secx+logcos^2x ,0ltxlt2pi`

Find the local maximum and local minimum values of f(x)=secx+logcos^2x ,\ \ 0ltxlt2pi

Find the local maximum and local minimum value of f(x)=sec x+log cos^(2)x,0

Find the local maximum and local minimum values of f(x)=sec x+log cos^(2)x,quad 0

Find the points of local maxima and local minima, if any, of the following functions. Find also the local maximum and local minimum values : f(x)=sinx+cosx, 0 lt xlt(pi)/(2)

Find the points of local maxima and local minima, if any, and local maximum and local minimum values of f(x)=sinx-cosx ,where 0ltxlt2pi

Find the points of local maxima and local minima, if any, of the following functions. Find also the local maximum and local minimum values : f(x)=sin^(4)x+cos^(4)x,0ltxlt(pi)/(2).

Find the local maximum and local minimum value of f(x)= x^(3)-3x^(2)-24x+5

Find the points of local maxima and local minima, if any, of the following functions. Find also the local maximum and local minimum values : f(x)=-x+2sinx,0lexle2pi