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Discuss precalculus problems
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...
Video at Archive.org Video at YouTube Solving for an unknown in the exponent requires logarithms! 19 Problems are explained that involve gra...
Matrix Determinant Video Use Cramer's Rule to solve a system of equations with Leinitz and Sarrus' method of finding the determinate of a ma...
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...
Proof of the sum and difference formulas for sine, cosine and tangent
Using the trig identities for substituting a Pythagorean looking expression.
Discuss precalculus problems
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...
Using the law of sines and cosines, we explor vectors, complex numbers and applications (aka "Word problems").
Here we find the trig functions of other angles based on the sum and difference of two angles, the double or half angle. We will prove these...
Here we use the trigonometry from our first Trig Chapter (4 in our textbook) to review how sine, cosine and tangent are used to solve word p...
Use the inverse trig functions to find unknown angles and use everything you know about sine cosine and tangent to solve word problems
Some are getting ready for calculus by taking a Honors Algebra 2 with Trigonometry. Here are topics from Chapter 1 of the Sullivan text that...
Here we have basic angles in radians, and graphing the trig functions of these angles. These functions, with their ability to transform wave...
Quiz answers on radian angles, unit circle and right triangle trig (Sections 4.1-4.4)
A broad overview of studying precalculus
Discuss precalculus problems
We consider how to put together our counting techniques to find out the probability of a royal flush, and figure out how many ways to give f...
The old dice game "Farkle" is explained and probabilities are discussed. Special "Thank You"'s go to Br Jack, Br Chris, and all my Christian...
Using the Binomial Theorem to expand binomials, Pascal's Rule, and an inductive proof of the Binomial Theorem. Video
Sets, Venn Diagrams, Intersections, Unions, Counting and the Multiplication Rule
An overview and three examples of proving something inductively.
Answers to a Chapter 12 Test on Partial Fraction Decomposition, Non Linear Systems and the Simplex Method
Factoring using synthetic division, and graphing techniques for polynomial and rational functions
A short-cut for finding the determinant of a 3x3 (or higher) matrix