Learn how to determine coterminal angles given one angle. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle. We measure angles starting from the positive xaxis, i.e. the initial side of an angle measure is usually the positive xaxis. The angle measured in the anticlockwise direction is called a positive angle while a negative angle is measured in the clockwise direction.

Coterminal angles are angles that have the same initial and terminal sides. Coterminal angles are found by adding/subtracting 360 degrees (for degree angle measure) or 2pi (for radian angle measure) to/from the given angle. Usually, we are looking for the smallest positive and smallest negative coterminal angles since there are infinitely many answers.

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Organized Videos:
✅ Angles in Trigonometry
   • Angles in Trigonometry  
✅ Solve Problems with Arc Length
   • Solve Problems with Arc Length  
✅ Angles in Trigonometry | Learn about
   • Angles in Trigonometry | Learn about  
✅ Sketch Angles in Standard Position
   • Sketch Angles in Standard Position  
✅ Find the Quadrant of the Angle
   • Find the Quadrant of the Angle  
✅ Find the Reference Angle
   • Find the Reference Angle  
✅ Complement and Supplement of an Angle
   • Complement and Supplement of an Angle  
✅ Convert Radians to Degrees
   • Convert Radians to Degrees  
✅ Convert Degrees to Radians
   • Convert Degrees to Radians  
✅ Convert Degrees to Degree Minute Seconds
   • Convert Degrees to Degree Minute Seconds  
✅ Convert Degree Minute Seconds to Degrees
   • Convert Degree Minute Seconds to Degrees  
✅ Coterminal Angles | Learn About
   • Coterminal Angles | Learn About  
✅ Find Coterminal Angles | 0 and 2pi
   • Find Coterminal Angles | 0 and 2pi  
✅ Find Coterminal Angles | 0 and 360
   • Find Coterminal Angles | 0 and 360  

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