**All of my diigo links tagged precalc**

**Trig Stuff**

Chapter 1 Documents (Review)

Chapter 4 Documents (radians, unit circle, graphing trig functions)

Chapter 5 Documents (verifying trig identities, solving trig equations)

Chapter 6 Documents (law of sines/cosines, area)

**Trigonometry**

Trig Reference Angle Cheat Hand from Kate Nowak

Bearing and Airports from Mathsclass.net

Trig Project Ideas from Glenvar High School

Law of Sines and Cosines from Illuminations

SSA Ambiguous Case Geogebra from Jerel Welker

Trig Page from Dan Bach

Unit Circle Trig video from threesixtyone

Sunrise Sunset Graph

Identities Match Quiz from Woodland Schools

Trig Identities Quiz from AlgebraLab

What is a Radian? from Wisc-Online

Interactive Unit Circle from MathLearning

Trig Spinner from KWarp

Uses of Trigonometry from IntMath

Common Trig Mistakes from MathMistakes

Trig Tips from SquareCircleZ

What is Trig Good For? from NASA

Periodic Functions from Kate Nowak

Finding the Regression Curve of a Sine Graph from Dave Sladkey

Applications and Models of Trig from Chris Higgins

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