what would be the derivative of this?

[skim milk]

It's been a while with the chain rule/product rule stuff...
y=e^x(cosx)
y'=e^x(-sinx)+e^x(cosx)
y''=?

 

[FleshLight]

e^x(-cosx) + e^x(-sinx) + e^x(-sinx) + e^x(cosx)

 

[skim milk]

Originally posted by: FleshLight
e^x(-cosx) + e^x(-sinx) + e^x(-sinx) + e^x(cosx)

so just apply the product rule again?