Find the ratio of the greatest value of `2-cosx+sin^2x` its least value is: `(A)1/4 (B) 9/4 (C) 13/4` (D) none of these

Find the ratio of the greatest value of 2-cos x+sin^(2)x its least value is: (A)(1)/(4)(B)(9)/(4)(C)(13)/(4) (D) none of these

The ratio of the greatest value of 2-cos x+sin^2x to its least value is (1) 7/4 (2) 9/4 (3) (13)/4 (4) 5/4

The ratio of the greatest value of 2-cos x+s in^2x to its least value is 7/4 (2) 9/4 (3) (13)/4 (4) 5/4

The ratio of the greatest value of 2-cos x+sin^(2)x to its least value is (7)/(4)(2)(9)/(4)(3)(13)/(4)(4)(5)/(4)

The greatest value of (4)/(4x^(2)+4x+9) is

If x lies in the interval [0,\ 1] , then the least value of x^2+x+1 is (a) 3 (b) 3//4 (c) 1 (d) none of these

The greatest value of sin^(4)theta+cos^(4)theta is (1)/(2)(b)1 (c) 2(d)3

The greatest value of sin^4theta+cos^4thetai s 1/2 (b) 1 (c) 2 (d) 3