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If 0lex le(pi)/(3) then range of f(x)=se...

If `0lex le(pi)/(3)` then range of `f(x)=sec((pi)/(6)-x)+sec((pi)/(6)+x)` is

A

`((4)/(sqrt(3)), oo)`

B

`[(4)/(sqrt(3)), oo)`

C

`(0, (4)/(sqrt(3))]`

D

`(0, (4)/(sqrt(3)))`

Text Solution

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The correct Answer is:
B
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