Show that `f(x)=cosx` is decreasing function on `(0,pi),` increasing in `(-pi,0)` and neither increasing nor decreasing in `(-pi,pi)dot`

Show that f(x)=cos x is decreasing function on (0,pi), increasing in (-pi,0) and neither increasing nor decreasing in (-pi,pi) .

Show that f(x)=cos x is a decreasing function on (0,pi), increasing in (pi,0) and neither increasing nor decreasing in (pi,pi) .

Show that f(x)=cosx is a decreasing function on (0,\ pi) , increasing in (pi,\ 0) and neither increasing nor decreasing in (pi,\ pi) .

Show that f(x)=cos^2x is decreasing function on (0,pi/2)dot

Show that f(x)=sin x is increasing on (0,pi/2) and decreasing on (pi/2,pi) and neither increasing nor decreasing in (0,pi)

Show that f(x)=sinx is increasing on (0,\ pi//2) and decreasing on (pi//2,\ pi) and neither increasing nor decreasing in (0,\ pi) .

f(x) = cos x is neither increasing nor decreasing in (0,2pi)

Prove that the function given by f(x) = cos x is (a) decreasing in (0, pi ) (b) increasing in (pi, 2pi) , and (c) neither increasing nor decreasing in (0, 2pi) .

Prove that the function given by f(x) = cos x is (a) decreasing in (0, pi ) (b) increasing in (pi, 2pi) , and (c) neither increasing nor decreasing in (0, 2pi) .

Prove that the function given by f(x) = cos x is (a) decreasing in (0, pi ) (b) increasing in (pi, 2pi) , and (c) neither increasing nor decreasing in (0, 2pi) .