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Trig Hon Vocab
12 words of voab
Term | Definition |
---|---|
The word Trigonometry is derived from the Greek language and means __________ | measurement of angles |
An ______ is determined by rotating a ray about its endpoint | angle |
The starting position of the ray is the _______ ____ of the angle | initial side |
The position of the ray after the rotation is the ________ ____ of the angle | terminal side |
The endpoint of the ray is the ______ of the angle | vertex |
If the vertex is on the origin and the initial side is on the x-axis, the angle is in ________ position | standard |
________ angles are generated by counterclockwise rotation | Positive |
________ angles are generated by clockwise rotation | Negative |
Two angles that have the same initial and terminal sides are __________ | coterminal |
The _______ of an angle is determined by the amount of rotation from the initial side to the terminal side | measure |
One way to measure angles is in _______. This type of measure is useful in calculus. (2pi is one rotation) | radians |
A _______ angle is one whose vertex is the center of a circle | central |