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Question
The principal value branch of sec–1 is ______.
Options
`[- pi/2, pi/2] - {0}`
`[0, pi] - {pi/2}`
(0, π)
`(- pi/2, pi/2)`
MCQ
Fill in the Blanks
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Solution
The principal value branch of sec–1 is `[0, pi] - {pi/2}`.
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