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Select the correct option from the given alternatives: The principal value branch of `sec^-1x` is A) `[-frac{pi}{2},frac{pi}{2}]-{0}` B) `[0,pi]-[frac{pi}{2}]` C) `(0,pi)` D) `(-frac{pi}{2},frac{pi}{2})`

A

`[-frac{pi}{2},frac{pi}{2}]-{0}`

B

`[0,pi]-[frac{pi}{2}]`

C

`(0,pi)`

D

`(-frac{pi}{2},frac{pi}{2})`

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CHETANA PUBLICATION-Trignometric Functions-EXERCISE
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