9.4 MATH REVIEW

---

À  p

Aside: recall the following terms when discussing vectors and algebra,

- head/tail OR terminus/origin

- line of action

- fixed/sliding/free vectors

- colinear

- coplanar

- concurrent

- resultant

- commutative/associative

- sine law (law of sines)

- cosine law (law of cosines)

- basic sin, cos, tan relationships - in triangle

- orthogonal - cartesian

- pythagorean formula

- unit vectors

- right/left handed coordinates - coordinate axes and positive rotations

- cross products

- dot products

- identity matrix

- matrix multiplication, addition, subtraction, division with matrices/scalars

- matrix determinants

- matrix inversion

- matrix transpose

- equation solutions in matrix form: gauss-jordan row reduction; cramer's rule

- parametric equations

- plug-and-chug solutions: trial and error, Newton-Raphson

- inequalities: greater than, less than, etc.

- differential calculus

- integration single and double, and selecting elements rectangular, triangular, cylindrical

- developing linear equations