Find the intervals in which the function `f` given by `f(x)=(4sinx-2x-xcosx)/(2+cosx),\ 0lt=xlt=2pi`

Find the intervals in which the function f given by f(x)=(4sinx-2x-xcosx)/(2+cosx)i s increasing decreasing, x in (0,2pi)

Find the intervals in which the function f given by f(x)=(4sinx-2x-xcosx)/(2+cosx)i s increasing decreasing, x in (0,2pi)

Find the intervals in which the function f given by f(x) = (4 sinx-2x-x cosx)/(2+cosx) is increasing.

Find the intervals in which the function f given by f(x)=sinx+cosx ,\ \ 0lt=x\ lt=2pi is strictly increasing or strictly decreasing.

The function f defined by f(x)=(4sinx-2x-xcosx)/(2+cosx),0lexle2pi is :

Find the intervals in which the function f given by f(x) =sin x +cos x , 0lt=x lt=2pi is increasing or decreasing.

Find the intervals in which the function f given f(x)=\ sin x-cosx ,\ 0lt=x\ lt=2pi,\ is strictly increasing or strictly decreasing.

Find the intervals in which the function f given by f(x) =sin x +cos x , lt=x lt=2pi is increasing or decreasing.

Find the intervals in which the function f given f(x)=\ sin x+cosx ,\ 0lt=x\ lt=2pi,\ is strictly increasing or strictly decreasing.