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If secy=xsec(a+y)," then "(sec^(2)y)(dy)...

If `secy=xsec(a+y)," then "(sec^(2)y)(dy)/(dx)=`

A

`seca`

B

`-coseca`

C

`tana`

D

`-cota`

Text Solution

Verified by Experts

The correct Answer is:
B
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