ddx (cos(xy))=sin(xy)(y+xdydx )
 
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ddx (cos(xy))=sin(xy)(y+xdydx )
  • steps
  • ddx (cos(xy))

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    Apply the chain rule:    sin(xy)ddx (xy)
    =sin(xy)ddx (xy)

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    ddx (xy)=y+xdydx 
    =sin(xy)(y+xdydx )

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