### Trigonometry Vocabulary

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Across
1.What does theta have to be in in the Area of a Sector formula?
3.The ratio of opposite to hypotenuse.
7.What is the angle of a triangle called when its going down?
10.cos/sin=
11.An angle that is more than 90 degrees.
13.A straight line that goes from a point on the circle through the center of it and then ends at another point.
16.An angle that is less than 90 degrees.
19.What does this mean ≈
22.A squared + B squared = C squared
23.What is a line from the center of a circle to a point on the circle?
26.What kind of triangle does pythagorean theorem work on?
27.The ratio of adjacent to hypotenuse.
29.What formula is used to find the distance between two points?
Down
2.What is the angle of a triangle called when its going up?
4.What is the sum of the measure of the angles of any triangle?
5.In what quadrant would this point be in (-2,-1).
6.An angle that is equal to 90 degrees.
8.Two angles whose sum adds up to 180 degrees.
9.Angles that have the same initial side and the same terminal side are called:
12.Triangles of exactly the same shape but not neccesarily the same size.
14.Two angles whose sum adds up to 90 degrees.
15.What is the amplitude if you were graphing tan, cot, sec, and csc?
17.What are cos and sec & tan and cot?
18.What instrument is used to measure angles?
20.What are equations that are true for all values of the variable for which all expressions are defined?
21.What is the most common unit of measure in angles?
24.Cofunction of csc.
25.What does this mean ∞
28.sin/cos=
30.The ratio of opposite to adjacent.

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