Trigonometry pp 103-122 | Cite as

Radian Measure

  • I. M. Gelfand
  • Mark Saul


So far, our unit of measurement for angles and rotations is the degree. We measure an angle in the degrees using a protractor:


Radian Measure Central Angle Sine Curve Full Rotation Degree Measure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© I.M. Gelfand 2001

Authors and Affiliations

  • I. M. Gelfand
    • 1
  • Mark Saul
    • 2
  1. 1.Department of MathematicsRutgers UniversityPiscatawayUSA
  2. 2.Bronxville SchoolsBronxvilleUSA

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