Difference between revisions of "Unit circle"
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A '''unit circle''' is a [[circle]] whose [[radius]] has length 1. | A '''unit circle''' is a [[circle]] whose [[radius]] has length 1. | ||
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| + | In the Cartesian coordinate system, an equation of the form <math>(x-h)^2+(y-k)^2=1</math> defines a unit circle with center <math>(h,k)</math>. | ||
{{stub}} | {{stub}} | ||
Revision as of 16:15, 11 October 2007
| This is an AoPSWiki Word of the Week for Oct 11-17 |
A unit circle is a circle whose radius has length 1.
In the Cartesian coordinate system, an equation of the form 
defines a unit circle with center 
.
This article is a stub. Help us out by expanding it.
