# Algebra 2 - First Edition

## Chapter 12: Trigonometric Functions

Some links are repeated for use with more than one lesson.

### The following links are applicable to the entire chapter.

http://www.explorelearning.com/index.cfm?CourseID=261&method=cResource.dspResourcesForCourse
This page contains interactive gizmos on various aspects of trigonometry. This website requires Shockwave Player to run some of its features.

http://mathforum.org/library/problems/sets/geo_rttri_trig.html

http://www.mathdemos.org/mathdemos/family_of_functions/trig_gallery.html
This page contains a series of animations on trig functions and their inverses.

### 12.1 Right Triangle Trigonometry

http://www.themathpage.com/aTrig/trigonometry-of-right-triangles.htm

http://www.math.com/homeworkhelp/Trigonometry.html

### 12.2 Radian and Degree Measures

http://mathbits.com/MathBits/TISection/Trig/degrees.htm

### 12.3 Evaluating Trigonometric Functions

http://scherer.wikispaces.com/The+Unit+Circle
This page presents a nice graphic showing many special angles and the trigonometric values on the unit circle.
Because of the way this page redirects, you may find it necessary to copy and paste the url into your browser to avoid a page error.

### 12.4 Inverse Trigonometric Functions

http://demonstrations.wolfram.com/DomainAndRangeOfInverse
TrigonometricFunctions/

This page contains a graphing applet that will graph a function and its inverse.

### 12.5 The Law of Sines

http://hyperphysics.phy-astr.gsu.edu/hbase/lsin.html
This page contains a calculator and applications of the Law of Sines.

http://www.wisc-online.com/objects/index_tj.asp?objID=TMH2702