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If (3pi)/(4)ltalphaltpi then sqrt(cos...

If `(3pi)/(4)ltalphaltpi` then `sqrt(cosec^(2)alpha+2cotalpha)`=

A

`1-cotalpha`

B

`-1+cotalpha`

C

`1+cotalpha`

D

`-1-cotalpha`

Text Solution

Verified by Experts

The correct Answer is:
D
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