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

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) .

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

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

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