1. Sep 8, 2012 #1

   jimit shah

   

   find the valu of local extremum for f(x)=sin x-cos x,0<x<2∏.

    

   jimit shah, Sep 8, 2012
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3. Sep 8, 2012 #2

   HallsofIvy

   

   Science Advisor

   Kind of a basic problem isn't it? Can you find the derivative of f(x)?
   
   Looks like homework to me so I am going to move it.
   
   I will also point out that, because there is only the single independent variable, x, there is NO "partial differentiation" here.

    

   HallsofIvy, Sep 8, 2012

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