Angle Standard Position

Author

Eric W. Weisstein
May 29, 2014

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Trigonometry/AngleStandardPosition.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/AngleStandardPosition.html.

©2014 Wolfram Research, Inc. except for portions noted otherwise

Additional Author

Original figure by Christopher Stover
May 2014

Graphic

With[
{
ang=44 Degree,
s=.5,
arcscale=.5,
darcscale=.06,
extraang=.025
},
pts=Table[Through[{Cos,Sin}[k]],{k,0.,extraang+ang,(extraang+ang)/20}];
Graphics[{
Arrow[{{0,0},{1,1}s/(Sqrt[2])}],
{Thick,
Line[s{{{-.1,0},{1,0}}}],
Arrow[s{{{0,-.1},{0,1}}}]
},
 Arrow[s arcscale pts,0],
Text["θ",Through[{Cos,Sin}[ang/2]]s (arcscale+darcscale)],
},
BaseStyle->{FontFamily->"Times",FontSize->14},ImageSize->300]
]