" If "f(x)=(a sin x+b cos x)/(csin x+d cos x)" is decreasing for all "x" then "

The function f(x)=(a sin x+b cos x)/(c sin x+d cos x) is decreasing,if

The function f(x)=(a sin x+b cos x)/(c sin x+d cos x) is decreasing,if (i) ad-bc>0 (ii) ad-bc 0 (ii) ab-dc<0

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

If f(x) =(1+sin x - cos x)/(1-sin x - cos x ), x != 0 , is continuous at x = 0 , then f(0) = ………

If f(x) = (1+sin x - cos x)/(1- sin x - cos x ) , x != 0 is continuous at x = 0 , then : f(0) =

Integral of form (a sin x+b cos x)/(c cos x+d sin x)

The set of value(s) of k for which f(x)=sin x-cos x-kx is decreasing for all values of x ,is