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sqrt((1+sintheta)/(1-sintheta)) = ....

`sqrt((1+sintheta)/(1-sintheta))` = __.

A

`sectheta+tantheta`

B

`sectheta-cottheta`

C

`cosectheta+tantheta`

D

`cosectheta-tantheta`

Text Solution

Verified by Experts

The correct Answer is:
A
`sqrt((1+sintheta)/(1-sintheta))=sqrt(((1+sintheta)+(1+sintheta))/((1-sintheta)(1+sintheta)))`
`sqrt(((1+sintheta)^(2))/(1-sin^(2)theta))`
`(1+sintheta)/(costheta)=sectheta+tantheta`.
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