CROSSWORD PUZZLE

1. the unit of plane angle adopted under the Systeme International d'Unites
4. ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
6. having a common boundary or edge
7. the space between two lines or planes that intersect
8. The circle whose center is at the origin and whose radius is one.
15. a tiny slice of a circle
16. ratio of the adjacent side to the hypotenuse of a right-angled triangle
17. ratio of the adjacent to the opposite side of a right-angled triangle
20. The part of a function that dictates the exact correspondence between the elements of one set and the elements of another set
21. a function obtained by expressing the dependent variable of one function as the independent variable of another
23. The set of all possible inputs of a function

1. The set of all possible outputs of a function.
2. the vertical stretch of a function.
3. lines representing undefined values for trigonometric functions.
5. a line that touches a curve at only one point
9. The positive acute angle formed between the terminal side of an angle and the x-axis.
10. ratio of the hypotenuse to the opposite side of a right-angled triangle
11. A function that repeats itself in regular intervals; it follows this equation: f (x + c) = f (x), where c is a constant
12. of or relating to or according to the principles of trigonometry
13. The repeating interval of a periodic function; the period of a function is a real number
14. a branch of mathematics that studies relationships between side lengths and angles of triangles.
18. an angle measured clockwise from due north to a vector.
19. a straight line that intersects a curve at two or more points
22. An operation that assigns a correspondence from elements of one set to elements of another set.