The function `f(x)=4 sin^(3) x-6 sin^(2) x+12 sin x+100` is strictly.

The function f(x) =4sin^(3)x-6sin^(2)x +12 sinx + 100 is strictly

The function f(x) =4sin^(3)x-6sin^(2)x +12 sinx + 100 is strictly

The function f(t) = 4 sin^(3) t -6 sin^(2) t +12 sin t + 100 is strictly :

The function, f(x) =sin^(-1) (sin x) , is

The function f(x) = (x^(2)-4)/(sin x-2) is

The function f(x) = (x^(2)-4)/(sin x-2) is

If the function f(x) = (K sin x + 2 cos x)/(sin x + cos x) is strictly increasing for all values of x, then

Find the intervals in which the function f(x) = sin x +cos x,x in [0, 2pi] is (i) strictly increasing, (ii) strictly decreasing.