hi everyone, Find xyz-cos(x+y+z)=0 i am having problems with the cos(x + y + z). Thank you in advance for all your help & support.
Last edited by anderson; Mar 2nd 2010 at 11:31 AM.
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Originally Posted by anderson hi everyone, Find xyz-cos(x+y+z)=0 i am having problems with the cos(x + y + z). Thank you in advance for all your help & support. What is your problems exactly in ?
hi General, is this correct? F(x,y,z) = xyz - cos(x + y + z) =yz+sin(x+y+z), i dont know how to get sin(x+y+z), u = (x + y + z),i dont know how to continue from there to get sin(x+y+z) thank you for all your help & support.
Originally Posted by anderson hi General, is this correct? F(x,y,z) = xyz - cos(x + y + z) =yz+sin(x+y+z), i dont know how to get sin(x+y+z), u = (x + y + z),i dont know how to continue from there to get sin(x+y+z) thank you for all your help & support. Sorry I will reply to this. Since General is offline. Your is correct. In general, If is differentiable, then: . Did you get it ?
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