If cos(x+y)=y sin x, find (dy)/(dx)....

If `cos(x+y)=y sin x,` find `(dy)/(dx).`

A

`-(sin (x+y) +y cos x)/(sin x+sin(x+y))`

B

`(sin (x+y) +y cos x)/(sin x+sin(x+y))`

C

`(y cos x - sin (x+y))/(sin x-sin (x+y))`

D

None of these

Verified by Experts

The correct Answer is:

A

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