Precalc Problems Explained

Chris Thiel

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Discuss precalculus problems

18/08/2013 · VIDÉO

Angles and Radians

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
21/03/2013 · VIDÉO

Exp and Log Functions

Video at Archive.org Video 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
07/03/2013 · VIDÉO

Matrix Determinants

Matrix Determinant Video Use Cramer's Rule to solve a system of equations with Leinitz and Sarrus' method of finding the determinate of a matrix!
02/12/2011 · VIDÉO

Fancy Trig Equations

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!
22/10/2011 · VIDÉO

Proof of the Trig Sum and Difference Formulas

Proof of the sum and difference formulas for sine, cosine and tangent
22/10/2011 · VIDÉO

Trig Substitution & Identities

Using the trig identities for substituting a Pythagorean looking expression.
20/03/2011 · VIDÉO

Arithmetic Sequences

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.
30/10/2010 · VIDÉO

Using Sum & Difference Formulas

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

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Discuss precalculus problems

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Chris Thiel
Années d’activité

2008 - 2013
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23
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Precalc Problems Explained