Find out how to convert fractions of a degree with Degrees, minutes and seconds, and enter the wonderful world of the radian. I have a some examples o...

Using the Binomial Theorem to expand binomials, Pascal's Rule, and an inductive proof of the Binomial Theorem. Video

Video at Archive.orgVideo at YouTube Solving for an unknown in the exponent requires logarithms! 19 Problems are explained that involve graphing and t...

Matrix Determinant VideoUse Cramer's Rule to solve a system of equations with Leinitz and Sarrus' method of finding the determinate of a matrix!

To solve for an unknown angle we will use all sorts of clever tricks, employing the trig formulas and identities in weird and wonderful ways!

Using the trig identities for substituting a Pythagorean looking expression.

Proof of the sum and difference formulas for sine, cosine and tangent

An Arithmetic Sequence is a pattern where each element changes by adding a constant. Here are examples, as well as the proof the formula for a partial...

Answers to a Chapter 12 Test on Partial Fraction Decomposition, Non Linear Systems and the Simplex Method

Using the law of sines and cosines, we explor vectors, complex numbers and applications (aka "Word problems").