Arithmetic Sequences

Precalc Problems Explained by Chris Thiel

Mar 20, 2011Education

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.

Related Episodes

Continue listening to more episodes from Precalc Problems Explained.

Angles and Radians

Aug 18, 2013

Find out how to convert fractions of a degree with Degrees, minutes and seconds, and enter the wonderful...

Exp and Log Functions

Mar 21, 2013

Video at Archive.org Video at YouTube Solving for an unknown in the exponent requires logarithms! 19 Prob...

Matrix Determinants

Mar 7, 2013

Matrix Determinant Video Use Cramer's Rule to solve a system of equations with Leinitz and Sarrus' method...

Fancy Trig Equations

Dec 2, 2011

To solve for an unknown angle we will use all sorts of clever tricks, employing the trig formulas and ide...

Proof of the Trig Sum and Difference Formulas

Oct 22, 2011

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

Trig Substitution & Identities

Oct 22, 2011

Using the trig identities for substituting a Pythagorean looking expression.

Arithmetic Sequnces

Mar 20, 2011

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

Dec 4, 2010

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