If `f(x)=sin^6x+cos^6x ,` then range of `f(x)` is `[1/4,1]` (b) `[1/4,3/4]` (c) `[3/4,1]` (d) none of these

Let f(x)=(1)/(sin^(4)x+ cos^(4)x) ,then range of f is

If f(x)=sin^(-1)sqrt(x-4), the range of x is

Range of vlaues of f(x) is (A) (-oo, 3/4] (B) [ 3/4, oo) (C) [ 1/3, 3] (D) none of these

Find the range of f(x)=(1)/(4cos x-3)

The function f:R-R is defined by f(x)=cos^(2)x+sin^(4)xf or x in R. Then the range of f(x) is ((3)/(4),1] (b) [(3)/(4),1) (c) [(3)/(4),1] (d) ((3)/(4),1)

Range of f(x) =sin^20x+cos^48x is (A) [0,1] (B) (0,1] (C) (0,oo) (D) none of these

The range of f(x)=(1)/(3cos x-4sin x+6) is

Find the range of f(x)=3|sin(x)|-4|cos(x)|

If f(x)=2x^(2)+6x-1 , then the value of (f((3)/(4))+1)/(f((3)/(4))-1) is