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If e^(x)siny-e^(y)cosx=1,"then"(dy)/(dx)...

If `e^(x)siny-e^(y)cosx=1,"then"(dy)/(dx)` equals -

A

`(e^(x)siny+e^(y)sinx)/(e^(y)cos-e^(x)cosy)`

B

`(e^(x)siny+e^(y)sinx)/(e^(y)cosx+e^(x)cosy)`

C

`(e^(x)siny-e^(y)sinx)/(e^(y)cosx-e^(x)cosy)`

D

None of these

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The correct Answer is:
A
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