A F.R

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DescrizioneUnit circle.svg	English: An illustration of the unit circle for the article Unit circle.
Data	18 febbraio 2006 (data di caricamento)
Fonte	Opera propria
Autore	Gustavb
SVG sviluppo InfoField	Il codice sorgente di questo file SVG è valido.   Questa grafica vettoriale è stata creata con un programma SVG ignoto.   The file size of this SVG mathematical image may be irrationally large because its text has been converted to paths inhibiting translations.

Licenza

Questa semplice figura geometrica non è tutelabile dalle leggi sul diritto d’autore ed è, quindi, di pubblico dominio in quanto costituita da elementi del patrimonio comune.

Source

Created by Gustavb using Eukleides.

Unit_circle.euk (Eukleides source)

box(-1.3, -1.3, 1.6, 1.6, 1.4)

% Axis
X1 = point(-1.7, 0); X2 = point(1.4, 0)
Y1 = point(0, -1.7); Y2 = point(0, 1.4)
thickness(1)
draw(segment(X1,X2), full, arrow); draw(segment(Y1,Y2), full, arrow)
thickness(1.6)

O = point(0,0);  % origo

% Unit circle
C = circle(O, 1)

% Angle
phi interactive(58, -3, 0, 360, "", right)
P = point(C, phi:) 

draw(C); draw(P); draw(O,P)

% Angle mark
tricks "psset{linewidth=.5pt,arrowsize=3pt}"
mark(X2,O,P,arrow,.5)

% Draw labels
draw("$t$",O,.35,.5*phi:)
draw("$y$",Y2,.15,-30:); draw("$x$",X2,.15,-130:)

PS-tricks source

\psset{linecolor=black, linewidth=.5pt, arrowsize=2pt 4}
\psset{unit=1.4000cm}
\pspicture*(-1.3000,-1.3000)(1.6000,1.6000)
\psset{linewidth=0.5000pt}
\psline{->}(-1.7000,0.0000)(1.4000,0.0000)
\psline{->}(0.0000,-1.7000)(0.0000,1.4000)
\psset{linewidth=0.8000pt}
\pscircle(0.0000,0.0000){1.0000}
\psdots[dotstyle=*, dotscale=1.0000](0.5299,0.8480)
\psline(0.0000,0.0000)(0.5299,0.8480)
\psset{linewidth=.5pt,arrowsize=3pt}
\psarc{->}(0.0000,0.0000){0.2500}{0.0000}{58.0000}
\uput{0.3500}[29.0000](0.0000,0.0000){$t$}
\uput{0.1000}[58.0000](0.5299,0.8480){$(\cos t,\sin t)$}
\uput{0.1500}[-30.0000](0.0000,1.4000){$y$}
\uput{0.1500}[-130.0000](1.4000,0.0000){$x$}
\endpspicture

Instructions

1. Create EPS
   

   $ euk2eps Unit_circle.euk

2. Outline fonts
   

   $ eps2eps -dNOCACHE Unit_circle.eps Unit_circle2.eps

3. Fix bounding box
   

   $ ps2epsi Unit_circle2.eps Unit_circle.eps

4. Convert to Sketch
   

   $ pstoedit -f sk Unit_circle.eps Unit_circle.sk

5. Convert to SVG
   

   $ skconvert Unit_circle.sk Unit_circle.svg

6. Fix Unit_circle.svg with Inkscape
7. create EPS br pre $euk2EPS Unit_circle.euk pre
8. outline fonts