Unit circle equation
The set of points at distance one from the origin in the plane, which is the unit circle centred at the origin. It is the standard reference circle used for trigonometric functions and in many geometric calculations.
x^2 + y^2 = 1What the symbols mean
| horizontal coordinate of a point on the circle | |
| vertical coordinate of a point on the circle |
About this formula
- FieldMathematics
- TopicAnalytic geometry
- LevelHigh school
- Also calledequation of unit circle, circle of radius one equation, circle radius 1 equation, unit circle formula, unit circle in cartesian coordinates
- SourceWikidata Q203425
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