Term
Positive & Negative Rotations 

Definition
A rotation is positive if the initial ray is rotated counterclockwise. A rotation is negative if the initial ray is rotated clockwise.



Term

Definition
Any two angles drawn in standard form position that share a terminal ray 


Term

Definition
The positive acute angles formed by the terminal ray and the xaxis. 


Term

Definition
An angle is said to be drawn in standard position if its vertex is at the origin and its initial ray points along the positive xaxis. 


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Definition
The angle measure of the arc of a circle. 


Term

Definition
The distance from the center of a circle to the outer edge 


Term

Definition
The distance of a portion calculated by multiplying the central angle by the radius. 


Term
Conversion of a Degree to a Radian 

Definition
Multiply the number of degrees by n/180^{ } 


Term
Conversion Radian to a Degree 

Definition
Multiply the number of radians by 180^{o}_{/π} 


Term

Definition
The unit of a circle has a radius of 1. 


Term

Definition
They have a 90 degree angle. 


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Definition
A long side of a right triangle. 


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Definition

