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Letf :(-pi/2,pi/2)rarrR be given by f(x...

Let`f :(-pi/2,pi/2)rarr`R` be given by
`f(x)=(log)(secx+tan x))^3`
Then

A

`f(x)` is an odd function

B

`f(x)` is a one-one function

C

`f(x)` is a onto function

D

`f(x)` is an even function

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