1.

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)

Answer»

`1- SQRT(3/2)`
`1+sqrt(3/2)`
`1-sqrt(2/3)`
`1+sqrt(2/3)`

ANSWER :A::B


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