Trigonometry

2. Theta is used as a variable to represent this
5. Figure with three straight sides and three angles
7. This shape is formed after graphing a sinusoid
8. The branch of mathematics dealing with the relations of the sides and angles of triangles
9. This is equal to 2pi
10. Unit for measuring angles
12. The side opposite to the 90degree angle
14. An example of (blank) ratios are csc, sec, and cot
17. All the x-values on a graph
18. Equal to the ratio of the side adjacent to the angle over the hypotenuse

1. The side across theta
2. The angle formed by the line of sight and the horizontal plane for an object below the horizontal.
3. Has a value of 3.14
4. Relationship between two quantities, expressed as the quotient of one divided by the other
6. Abrreviation to help with remembering how to compute the sine, cosine, and tangent of an angle
8. Equal to the ratio of the side opposite to the angle over the adjacent side
11. A symbol used to represent the angle in a triangle
13. A circle with a radius of one
15. A unit of an angle, associated with pi
16. All the y-values on a graph