Trig, Vectors, Matrix Vocab

3. operations Allowed moves for solving or simplifying matrices.
4. A direction measured clockwise from north.
9. ________matrix A matrix with the same number of rows and columns.
10. matrix A matrix that leaves another unchanged when multiplied.
14. form Representation of a vector using horizontal and vertical components.
15. vectors Vectors whose dot product is zero.
20. vector The vector sum of two or more vectors.
21. product A scalar measure of alignment between vectors computed using blank.
24. angle The angle lying between two given sides.
26. A scalar value associated with a square matrix computed using
27. ________matrix, A matrix with one column.
28. A quantity with magnitude and direction.
31. measure Angle measure based on arc length and radius.
32. using sine Formula for triangle area using
33. A real number that scales a vector.

1. matrix A matrix that undoes the effect of multiplication by the original matrix.
2. ________matrix, A matrix with one row.
5. matrix A matrix representing a system of linear equations.
6. A rectangular array of numbers written in rows and columns.
7. solving Finding missing sides and angles using known information.
8. of a matrix A description of size using rows by columns.
9. ambiguous case A condition in which zero one or two triangles may be formed.
11. side The side located across from a specific angle.
12. addition Combining vectors using components or head-to-tail.
13. A relationship among sides and opposite angles of a triangle using
16. triangle A triangle with no right angle.
17. A relationship connecting sides and included angles using
18. ________matrix A matrix with all zero entries.
19. The length of a vector.
22. subtraction Subtracting one vector from another.
23. vector A vector with magnitude 1.
25. angle The angle a vector makes with the positive x-axis.
29. vectors Vectors that are scalar multiples of each other.
30. The component of one vector along the direction of another.