Let `f : (-1, 1) -> R` be such that `f(cos4theta) = 2/(2-sec^2theta` for `theta in (0, pi/4) uu (pi/4, pi/2)`. Then the value(s) of `f(1/3)` is/are

Let f:(-1,1) rarr R be such that f(cos 4 theta) = (2)/(2-sec^(2) theta) for theta in (0, pi/4) uu (pi/4, pi/2) . Then the value of f(1/3) is (are)

Let f:(-1,1)vecR be such that f(cos4theta)=2/(2-sec^2theta) for theta in (0,pi/4)uu(pi/4,pi/2) . Then the value(s) of f(1/3) is (are)

Let f:(-1,1)vecR be such that f(cos4theta)=2/(2-sec^2theta) for theta in (0,pi/4)uu(pi/4,pi/2) . Then the value(s) of f(1/3) is (are) (a) 1-sqrt(3/2) (b) 1+sqrt(3/2) (c) 1-sqrt(2/3) (d) 1+sqrt(2/3)

Let f:(-1,1)vecR be such that f(cos4theta)=2/(2-sec^2theta) for theta in (0,pi/4)uu(pi/4,pi/2) . Then the value(s) of f(1/3) is (are) (a) 1-sqrt(3/2) (b) 1+sqrt(3/2) (c) 1-sqrt(2/3) (d) 1+sqrt(2/3)

Let f:(-1,1)vecR be such that f(cos4theta)=2/(2-sec^2theta) for theta in (0,pi/4)uu(pi/4,pi/2) . Then the value(s) of f(1/3) is (are) (a) 1-sqrt(3/2) (b) 1+sqrt(3/2) (c) 1-sqrt(2/3) (d) 1+sqrt(2/3)

Let f:(-1,1) rarrR be such that f(cos4theta)=2/(2-sec^2theta) for thetain(0,pi/4)cup(pi/4,pi/2) . The the values of f(1/3) are

Let f:(-1,1)vec R be such that f(cos4 theta)=(2)/(2-sec^(2)theta) for theta in(0,(pi)/(4))uu((pi)/(4),(pi)/(2))* Then the value(s) of f((1)/(3)) is (are) (a)1-sqrt((3)/(2))( b) 1+sqrt((3)/(2))(c)1-sqrt((2)/(3))(d)1+sqrt((2)/(3))(b)1+sqrt((3)/(2))(c)

sin^(4)theta+cos^(4)theta=1-(1)/(2)f(theta) then f((pi)/(4)) =