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Find the range of cosec^(-1)[1+sin^(2)x]...

Find the range of `cosec^(-1)[1+sin^(2)x]`, where [.] denotes the greatest integer function

A

`{(pi)/2}`

B

`{cosec^(-1)2}`

C

`{(pi)/2, cosec^(-1)2}`

D

`phi`

Text Solution

Verified by Experts

The correct Answer is:
C
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