Functions

Section: Mathematics

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Question : 21 of 30

Marks: +1, -0

Let f : (-1, 1)→R be such that f (cos 4θ) =

2

2−sec2θ

for θ ∊ (0,

π

4

)∪(

π

4

,

π

2

). Then the value (s) of f(

1

3

) is (are)

[JEE Adv 2012 P2]

1−√
3
2
1+√
3
2
1−√
2
3
1+√
2
3

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