Trigonometry Vocabulary

6. The greatest common multiple that two numbers can be factored by
8. One-half the product of the length of two sides times the sine of their included angles
9. 2 rays connected by a vertex
12. A portion of the edge of a circle
13. the length of the radius around the circle
15. The angle between the horizontal line and the line of sight from the observer to an object at a higher level
16. The angle between the horizontal line and the line of sight from the observer to an object at a lower level
17. The quarter increments of a period
18. A way for rewriting trigonometric expressions
19. two angles that add up to 180 degrees

1. A triangle that is not a right triangle
2. Law used to find the side lengths and angle measures of a triangle that is not a right triangle.
3. The sum of the measures of the angles of any triangle
4. Two angles that add up to 90 degrees
5. The shortest repeating pattern on a graph / The horizontal length of a cycle
7. The distance between the endpoints along an arc on the outside of a circle
9. Angles that are less than 90 degrees
10. an angle with a vertex at the center of a circle
11. The average between maximum and minimum values
14. The positive acute angle made by the terminal side of an angle and x-axis