Please, I search for stationary points of f(x)=sin^3xcosx

I got x +kpi

x/2 +kpi

but result is only first

why??Who is right???

many thanks!!!

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- Feb 4th 2013, 07:55 AMBoostationary points of f(x)= sin^3xcosx
Please, I search for stationary points of f(x)=sin^3xcosx

I got x +kpi

x/2 +kpi

but result is only first

why??Who is right???

many thanks!!! - Feb 4th 2013, 08:34 AMPlatoRe: stationary points of f(x)= sin^3xcosx
- Feb 4th 2013, 09:42 AMBooRe: stationary points of f(x)= sin^3xcosx
No, sorry, points of inflection!!!