1. The _____ is the angle formed by a horizontal line & the line of sight to an object above the horizontal line.

2. Angle of Elevation

3. The starting point of a vector is called the _____.

4. Initial Point

5. A set of 3 nonzero whole numbers that satisfy the equation a2 +b2 = c2 form a _____.

6. Pythagorean Triple

7. The sum of 2 vectors is called the _____.

8. Resultant Vector

9. The _____ is the angle formed by a horizontal line & the line of sight to an object below the horizontal line.

10. Angle of Depresion

11. Any quantity that has magnitude and direction is called a _____.

12. Vector

13. The _____ of angle A is that ratio of the leg adjacent to A to the hypotenuse.

14. Cosine

15. The _____ of angle A is that ratio of the leg opposite to A to the hypotenuse.

16. Sine

17. The ending point of a vector is called the _____.

18. Terminal Point

19. The _____ of angle A is that ratio of the leg opposite to A to the leg adjacent to A.

20. Tangent