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

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

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

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

Let f(x) be a function defined by f(x)=int_(1)^(x)t(t^(2)-3t+2)dt,1lexle3 . Then the range of f(x) is a) [0,2] b) [-1/4,4] c) [-1/4,2] d)None of these

The function f: R ⇒ R is defined by f(x)=cos^2x+sin^4x , r a n g e o f f(x)= (a) [3//4,1) (b) (3//4,1] (c) [3//4,1] (d) ( 3//4,1)

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)