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If sec^-1x=cosec^-1y,then cos^(- 1)(1/x)...

If `sec^-1x=cosec^-1y`,then `cos^(- 1)(1/x)=cos^(- 1)(1/y)=`

A

`pi`

B

`(pi)/(4)`

C

`(-pi)/(2)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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