Using Sum & Difference Formulas

Update: 2010-10-30

Description

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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In Channel

Angles and Radians

2013-08-18--:--

Exp and Log Functions

2013-03-21--:--

Matrix Determinants

2013-03-07--:--

Fancy Trig Equations

2011-12-02--:--

Proof of the Trig Sum and Difference Formulas

2011-10-22--:--

Trig Substitution & Identities

2011-10-22--:--

Arithmetic Sequences

2011-03-20--:--

Using Sum & Difference Formulas

2010-10-30--:--

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

2010-10-04--:--

Inverse Trig Functions and Trig Word Problems

2010-10-02--:--

Hon Algebra 2 Trig Test 1 answers

2010-09-07--:--

Graphing Trig Functions (4.1-4.6)

2010-09-04--:--

Radians and Unit Circle Trig Quiz Answers

2010-08-27--:--

Intro to Precalc

2010-07-19--:--

Basic Algebra Review

2010-07-16--:--

Counting Applications

2010-04-24--:--

Farkle

2010-04-20--:--

Binomial Theorem

2010-04-13--:--

Counting

2010-04-13--:--

Proof By Induction

2010-03-27--:--

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1.0x

Using Sum & Difference Formulas

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Using Sum & Difference Formulas

Chris Thiel

Using Sum & Difference Formulas