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If tan^(-1) x=y, then:...

If `tan^(-1) x=y`, then:

A

`-1 lt y lt 1`

B

`(-pi)/(2) le y le (pi)/(2)`

C

`(-pi)/(2) lt y lt (pi)/(2)`

D

`y in {(-pi)/(2), (pi)/(2)}`

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