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Question
If tan−1 x = y, then:
Options
`-1 < "y" < 1`
`(-π)/2 ≤ "y" ≤ π/2`
`(-π)/2 < "y" < π/2`
`"y" ∈ {(-π)/2, π/2}`
MCQ
Solution
`(-π)/2 < "y" < π/2`
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Is there an error in this question or solution?
If tan−1 x = y, then:
`-1 < "y" < 1`
`(-π)/2 ≤ "y" ≤ π/2`
`(-π)/2 < "y" < π/2`
`"y" ∈ {(-π)/2, π/2}`
`(-π)/2 < "y" < π/2`