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sqrt(1+cosx)(dy)/(dx)=sqrt(1-cosy) A)se...

`sqrt(1+cosx)(dy)/(dx)=sqrt(1-cosy)` A)`sec((y)/(2))+tan((y)/(2))=c[cos((x)/(2))-cot((x)/(2))]` B)`cosec((y)/(2))-cot((y)/(2))=c[sec((x)/(2))+tan((x)/(2))]` C)`2sqrt(1-cosy)=2sqrt(1+cosx)+c` D)`sqrt(1+sinx)=c sqrt(1-siny)`

A

`sec((y)/(2))+tan((y)/(2))=c[cos((x)/(2))-cot((x)/(2))]`

B

`cosec((y)/(2))-cot((y)/(2))=c[sec((x)/(2))+tan((x)/(2))]`

C

`2sqrt(1-cosy)=2sqrt(1+cosx)+c`

D

`sqrt(1+sinx)=c sqrt(1-siny)`

Text Solution

Verified by Experts

The correct Answer is:
B
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