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) -> 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) -> 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) 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)rarr 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

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)

If theta=pi/3, then the volume of pyramid is 1/(sqrt(3)) (b) 1/(3sqrt(2)) (c) 1/(2sqrt(3)) (d) 1/(sqrt(2))

The value of sectheta/sqrt(1-cos^2x)+cosx/(sqrt(1+cot^2theta))" for "theta in (pi,(3pi)/2) is