
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...
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Discuss precalculus problems
Listen to Precalc Problems Explained, a Education podcast by Chris Thiel. Stream 25 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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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
You can listen to Precalc Problems Explained episodes online on Radio and Podcast. Open an episode and the site player will stream the available audio.
Precalc Problems Explained is listed as a Education show. The show language is listed as English.
This page lists 25 episodes for Precalc Problems Explained. More episodes are available from the View more button when the list continues.
You can listen to Precalc Problems Explained episodes on this page by opening an episode and using the site player.
Precalc Problems Explained is listed as a Education show by Chris Thiel.
This page lists 25 episodes for Precalc Problems Explained where feed data is available.