Precalc Problems Explained

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A video podcast that show how to solve algebra, trigonometry and other skills needed to enroll in Calculus

Chris Thiel


    • Aug 17, 2013 LATEST EPISODE
    • infrequent NEW EPISODES
    • 24 EPISODES


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    Latest episodes from Precalc Problems Explained

    Angles and Radians

    Play Episode Listen Later Aug 17, 2013


    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 of how to convert from degrees to radians and back again, as well as angular and linear speed using radians: Video Link

    Binomial Theorem

    Play Episode Listen Later Apr 23, 2013


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

    Exp and Log Functions

    Play Episode Listen Later Mar 21, 2013


    Video at Archive.orgVideo at YouTube Solving for an unknown in the exponent requires logarithms! 19 Problems are explained that involve graphing and the properties of exponents and logarithms, as well using your graphing calculator

    Matrix Determinants

    Play Episode Listen Later Mar 10, 2013


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

    Fancy Trig Equations

    Play Episode Listen Later Dec 2, 2011


    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!

    Trig Substitution & Identities

    Play Episode Listen Later Oct 22, 2011


    Using the trig identities for substituting a Pythagorean looking expression.

    Proof of the Trig Sum and Difference Formulas

    Play Episode Listen Later Oct 22, 2011


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

    Arithmetic Sequences

    Play Episode Listen Later Mar 20, 2011


    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 sum of an arithmetic sequence.

    Fraction Decomposition, Non-Linear Systems, Symplex Method

    Play Episode Listen Later Dec 6, 2010


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

    Trig with Vectors, Complex Numbers, apps (Precalc 6)

    Play Episode Listen Later Dec 4, 2010


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

    Using Sum & Difference Formulas

    Play Episode Listen Later Oct 29, 2010


    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 formulas in a different video

    Some more Trig Word Problems (4.8, 4.R)

    Play Episode Listen Later Oct 4, 2010


    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 problems

    Inverse Trig Functions and Trig Word Problems

    Play Episode Listen Later Oct 2, 2010


    Use the inverse trig functions to find unknown angles and use everything you know about sine cosine and tangent to solve word problems

    Hon Algebra 2 Trig Test 1 answers

    Play Episode Listen Later Sep 12, 2010


    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 are part of any Honors Algebra 2 class.

    Graphing Trig Functions (4.1-4.6)

    Play Episode Listen Later Sep 6, 2010


    Here we have basic angles in radians, and graphing the trig functions of these angles. These functions, with their ability to transform waves with different periods and amplitudes, can be used to mathematically express all sorts of waves we find in real life. These ideas are from Sections 4.1 to 4.6 of our Precalculus book by Larsen.

    Radians and Unit Circle Trig Quiz Answers

    Play Episode Listen Later Aug 26, 2010


    Quiz answers on radian angles, unit circle and right triangle trig (Sections 4.1-4.4)

    Intro to Precalc

    Play Episode Listen Later Jul 19, 2010


    Counting Applications

    Play Episode Listen Later Apr 23, 2010


    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 five fish to three dolphins using the partition technique.

    Farkle

    Play Episode Listen Later Apr 19, 2010


    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 Brother buddies at Camp La Salle!See http://www.mathorama.com/farkle.html for a written summary of the rules

    Counting

    Play Episode Listen Later Apr 12, 2010


    Sets, Venn Diagrams, Intersections, Unions, Counting and the Multiplication Rule

    Proof By Induction

    Play Episode Listen Later Mar 27, 2010


    An overview and three examples of proving something inductively.

    Polynomial and Rational Functions

    Play Episode Listen Later Feb 18, 2010


    Factoring using synthetic division, and graphing techniques for polynomial and rational functions

    Sarrus 3x3 Determinant Short Cut

    Play Episode Listen Later Feb 15, 2010


    A short-cut for finding the determinant of a 3x3 (or higher) matrix

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