This trigonometry video tutorial explains how to find a positive and a negative coterminal angle given another angle in degrees or in radians using the unit circle. It also shows you how to convert radians to degrees and degrees to radians. This video contains plenty of examples and practice problems.

Trigonometry - Basic Introduction:
   • Trigonometry  

Introduction to Angles:
   • Introduction to Angles  

Radians and Degrees:
   • Radians and Degrees  

What Exactly Is a Radian?
   • Trigonometry - What Exactly Is a Radian?  

Coterminal Angles:
   • Coterminal Angles In Radians & Degree...  

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Decimal Degrees to DMS:
   • Decimal Degrees to DMS Formula -  Con...  

Arc Length of a Circle and Sector Area:
   • Arc Length of a Circle Formula - Sect...  

Linear Speed and Angular Velocity:
   • Linear Speed and Angular Velocity  

Clock to Angle Problems:
   • Clock Aptitude Reasoning Tricks & Pro...  

The Unit Circle:
   • The Unit Circle, Basic Introduction, ...  

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