%input newcourbes;
%input couleur;
%input geometriesyr16;
%input TEX;
input tableauVariation;


verbatimtex
%&latex
\documentclass{article}
\usepackage[upright]{fourier}
\usepackage{preambule}
\begin{document}
etex




beginTableau(0)
  newLigneVariables(btex $x$ etex);
  val(btex 1 etex);
  val(btex  3 etex);
  val(btex  $+\infty$ etex);

  newLigneSignes(btex Signe de $f'(x)$ etex);
  nonDefBarre; moins; valBarre(btex 0 etex); plus;

  newLigneVariations(btex Variations de  $ f(x)$ etex);
  nonDefBarre;
  limDroite(btex $+\infty$ etex,1);
  valPos(btex 2,5 etex,0);
  valPos(btex $+\infty$ etex,1);
  
endTableau;



%%
%%  Tableau de variations cosinus
%%

beginTableau(1)

 newLigneVariables(btex $x$ etex);
  val(btex $-\pi$ etex);
  val(btex  $-\ofr{\pi}{2}$ etex);
  val(btex  0 etex);
  val(btex  $\ofr{\pi}{2}$ etex);
  val(btex $\pi$ etex);

 
  newLigneVariations(btex Variations de  $ \cos(x)$ etex);
  
  valPos(btex $-1$ etex,0);
  valPos(btex $0$ etex,0.5);
  valPos(btex $1$ etex,1);
  valPos(btex $0$ etex,0.5);
  valPos(btex $-1$ etex,0);


endTableau;


%%
%%  Tableau de variations sinus
%%

beginTableau(2)

 newLigneVariables(btex $x$ etex);
  val(btex $-\pi$ etex);
  val(btex  $-\ofr{\pi}{2}$ etex);
  val(btex  0 etex);
  val(btex  $\ofr{\pi}{2}$ etex);
  val(btex $\pi$ etex);

 
  newLigneVariations(btex Variations de  $ \sin(x)$ etex);
  
  valPos(btex $0$ etex,0.5);
  valPos(btex $-1$ etex,0);
  valPos(btex $0$ etex,0.5);
  valPos(btex $1$ etex,1);
  valPos(btex $0$ etex,0.5);


endTableau;

%% Tableau de signes produit

beginTableau(3)
  newLigneVariables(btex $\Mathbold{t}$ etex);
  val("0");val("1");val("2");val("3");val("4");

  newLigneSignes(btex $\hbox{\bf Signe de }\atop{\displaystyle \Mathbold{F(t)}}$ etex);
  plus; valBarre("0"); moins; valBarre("0"); plus; valBarre("0"); moins;

  endTableau;

  
%% Autre Tableau de signes produit

beginTableau(4)
newLigneVariables(btex $\Mathbold{x}$ etex);
val(btex $-\infty$ etex);val(btex $-1$ etex);val(btex $1$ etex);val(btex $+\infty$ etex);

  newLigneSignes(btex $\hbox{\bf Signe de }\atop{\displaystyle \Mathbold{1-x}}$ etex);
  plus; barre; plus ;valBarre("0"); moins; 
  newLigneSignes(btex $\hbox{\bf Signe de }\atop{\displaystyle \Mathbold{x+1}}$ etex);
  moins; valBarre("0");plus;barre;plus;
  newLigneSignes(btex $\hbox{\bf Signe de }\atop{\displaystyle \Mathbold{\fr{2(1-x)}{x+1}}}$ etex);
  moins;valBarre("0");plus;valBarre("0");moins;
endTableau;





%% Tableau variation hyperbole

beginTableau(5)
  newLigneVariables(btex $x$ etex);
  val(btex $-\infty$ etex);
  val(btex $-1$ etex );
  val(btex $+\infty$ etex);
 newLigneVariations(btex $\hbox{\bf Variations de }\atop{\displaystyle \Mathbold{f}}$ etex);
  valPos(btex $-3$ etex ,.5);
  limGauche(btex $-\infty$ etex,0)
  nonDefBarre;
  limDroite(btex $+\infty$ etex,1)
  valPos(btex $-3$ etex ,.5);
endTableau;








end