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प्रश्न
One branch of cos–1 other than the principal value branch corresponds to ______.
विकल्प
`[pi/2, (3pi)/2]`
`[pi, 2pi]- {(3pi)/2}`
(0, π)
[2π, 3π]
उत्तर
One branch of cos–1 other than the principal value branch corresponds to [2π, 3π].
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