Trigonometry

2. He wrote the Almagest.
6. axis It is the vertical line in a coordinate plane.
8. of Perspective It determines how to label the sides.
9. In this system, the number of rotations or the fractional part of a rotation is counted from the initial side of an angle to its terminal side.
10. It is a kind of a triangle which has two equal sides.
13. These are lines that are formed when two straight lines intersect and form four equal angles.
16. It is a plane closed figure formed by three line segments.
18. The reciprocal of Sine is ________ .
19. What is missing? SOH _____ TOA.
20. In order to get the Tangent, you must divide __________ to adjacent.

1. The reciprocal of Tangent is ___________ .
3. System In this system, the basic unit is the degree, one full counterclockwise rotation is equal to 360 degrees.
4. “Adj.” means segment adjacent from the Angle of Perspective
5. It is a branch of Mathematics that deals with the properties and application of ratios associated with angles.
7. The two types of Trigonometry are Plane Trigonometry and ________ Trigonometry.
11. It is the longest side in a triangle.
12. He is the founder of Trigonometry.
14. Coordinate It is a system in which an ordered pair of numbers is associated with a point in a plane.
15. It locates a position on a plane.
17. Segment It has a definite length and is a part of a line.