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1. Trigonometry - Wikipedia, The Free Encyclopedia
   Calculating the final position of the astronaut at the end of the arm requires repeated use of the trigonometric functions of those angles.  
   http://en.wikipedia.org/wiki/Trigonometry
   
   Extractions: Jump to: navigation search Wikibooks has a book on the topic of Trigonometry The robotic manipulator on the International Space Station is operated by controlling the angles of its joints. Calculating the final position of the astronaut at the end of the arm requires repeated use of the trigonometric functions of those angles. All of the trigonometric functions of an angle can be constructed geometrically in terms of a unit circle centered at O Trigonometry (from Greek trigōnon "triangle" + metron "measure") is a branch of mathematics that deals with triangles , particularly those plane triangles in which one angle has 90 degrees ( right triangles ). Trigonometry deals with relationships between the sides and the angles of triangles and with the trigonometric functions , which describe those relationships. Trigonometry has applications in both pure mathematics and in applied mathematics , where it is essential in many branches of science and technology. It is usually taught in secondary schools either as a separate course or as part of a precalculus course. Trigonometry is informally called “trig.”

2. Dave's Short Course In Trigonometry
   Covers basic definitions and concepts in beginning trigonometry.  
   http://www.clarku.edu/~djoyce/trig/
   
   Extractions: Who should take this course? Applications of trigonometry What is trigonometry? Background on geometry Angle measurement Chords Sines Cosines Tangents and slope The definition of the tangent Tangent in terms of sine and cosine Tangents and right triangles Slopes of lines Angles of elevation and depression Common angles again Exercises, hints, and answers

3. S.O.S. Math - Trigonometry
   Covers measuring degrees, equations, and formulas. Includes illustrations and related links.  
   http://www.sosmath.com/trig/trig.html

4. Trigonometry : Trigonometric Functions & Identities In Math
   Three comprehensive modules from Syvum. Each includes theory and explanation, along with practice exercises.  
   http://www.syvum.com/math/trigonometry.html
   
   Extractions: google_ad_client = syvum_g_client; google_ad_width = 728; google_ad_height = 15; google_ad_format = "728x15_0ads_al"; google_ad_channel = syvum_g_channel; google_color_border = "FFFFFF"; google_color_bg = "FFFFFF"; google_color_link = "0000FF"; google_color_url = "008000"; google_color_text = "000000"; Title Sin, Cos and Tan Functions Cosec, Sec and Cot Functions Practice Exercise for Trigonometry Module 1: Trigonometric Functions ... Portuguese document.write(''); Contact Info var dc_UnitID = 14; var dc_PublisherID = 22904; var dc_AdLinkColor = 'blue'; var dc_isBoldActive= 'no'; var dc_adprod='ADL';

5. Trigonometry -- From Wolfram MathWorld
   The study of angles and of the angular relationships of planar and threedimensional figures is known as trigonometry. The trigonometric functions (also  
   http://mathworld.wolfram.com/Trigonometry.html
   
   Extractions: Trigonometry The study of angles and of the angular relationships of planar and three-dimensional figures is known as trigonometry. The trigonometric functions (also called the circular functions ) comprising trigonometry are the cosecant cosine cotangent secant ... sine , and tangent . The inverses of these functions are denoted , and . Note that the notation here means inverse function not to the power The trigonometric functions are most simply defined using the unit circle . Let be an angle measured counterclockwise from the x -axis along an arc of the circle . Then is the horizontal coordinate of the arc endpoint, and is the vertical component. The ratio is defined as . As a result of this definition, the trigonometric functions are periodic with period , so where is an integer and func is a trigonometric function. A right triangle has three sides, which can be uniquely identified as the hypotenuse , adjacent to a given angle , or opposite . A helpful mnemonic for remembering the definitions of the trigonometric functions is then given by "oh, ah, o-a," "Soh, Cah, Toa," or "

6. Math.com Homework Help Trigonometry
   Select Subject, Basic Math, Everyday Math, Pre-Algebra, Algebra, Geometry, trigonometry, Statistics, Calculus, Advanced Topics, Others. Resources  
   http://www.math.com/homeworkhelp/Trigonometry.html

7. Trigonometry
   Introduction to trigonometric functions, identities, and formulas.  
   http://www.acts.tinet.ie/trigonometry_645.html

8. Trigonometry Tutorials And Problems
   Tutorials, problems and self tests on trigonometry.  
   http://www.analyzemath.com/Trigonometry.html
   
   Extractions: Free tutorials and problems on solving trigonometric equations, trigonometric identities and formulas can also be found. Java applets are used to explore, interactively, important topics in trigonometry such as graphs of the 6 trigonometric functions, inverse trigonometric functions, unit circle, angle and sine law. Angle in Trigonometry . Understand the definition and properties of an angle in standard position

9. Mathematics Archives - Topics In Mathematics - Trigonometry
   KEYWORDS trigonometry of a triangle, Trigonometric functions, Fourier series KEYWORDS Tutorials with quizzes, trigonometry, Calculus  
   http://archives.math.utk.edu/topics/trigonometry.html

10. Topics In Trigonometry. Table Of Contents.
    trigonometry from the very beginning. trigonometry of Right Triangles. Similar figures. The analytic definition of the trigonometric functions.  
    http://www.themathpage.com/aTrig/trigonometry.htm
    
    Extractions: Ratio and Proportion. Similar Triangles Radicals: Rational and Irrational Numbers The Pythagorean Theorem ... Trigonometry of Right Triangles Similar figures. All functions from one function. Complements. Cofunctions. The Isosceles Right Triangle Solving Right Triangles The Law of Sines The Law of Cosines ... The Circle The definition of . The remarkable Evaluating The ratio of a chord to the diameter.

11. Trigonometry
    A trigonometry tutorial which aims to communicate the point of trigonometry, as well as the basics of the subject with links to definitions and trig-based  
    http://oolong.co.uk/trig.htm
    
    Extractions: by Fergus Ray Murray Trigonometry is the branch of mathematics that deals with triangle s, circle s, oscillation s and waves ; it is absolutely crucial to much of geometry and physics . You'll often hear it described as if it was all about triangles, but I think that is missing much of the point. Waves and resonance are at the root of how matter works at the most fundamental level ; they are behind how sound and light move, and probably also how mind s and beauty work, on some level; so trigonometry turns out to be fundamental to pretty much everything. Any time you want to figure out anything to do with angle s, or turning, or swinging , there's trigonometry involved. The first thing to understand with trigonometry is why the mathematics of right-angled triangles should also be the mathematics of circles. Picture a line which can turn around one of its ends, like the hand of a clock . Obviously, the moving end of the line traces out a circle - it's like drawing with a compass . Now, consider how far this point is to the right or left of the centre point (we call this distance x ), and how far above or below (which we'll call

12. Trigonometry
    During this tutorial you will be asked to perform calculations involving trigonometric functiions. You will need a calulator to proceed.  
    http://www.physics.uoguelph.ca/tutorials/trig/trigonom.html
    
    Extractions: Panel 1 The purpose of this tutorial is to review with you the elementary properties of the trigonometric functions. Facility with this subject is essential to success in all branches of science, and you are strongly urged to review and practice the concepts presented here until they are mastered. Let us consider the right-angle triangle shown in Panel 1. The angle at C is a right angle and the angle at A we will call q . The lengths of the sides of the triangle we will denote as p, q and r. From your elementary geometry, you know several things about this triangle. For example, you know the Pythagorean relation, hypotenuse , is equal to the sum of the squares of the lengths of the other two sides. We know other things. For example, we know that if the lengths of the three sides of any triangle p, q and r are specified, then the whole triangle is determined, angles included. If you think about this for a moment, you will see it is correct. If I give you three sticks of fixed length and told you to lay them down in a triangle, there's only one triangle which you could make. What we would like to have is a way of relating the angles in the triangle, say q , to the lengths of the sides.

13. Discovering Trigonometry
    A trigonometry is the study of how the sides and angles of a triangle are related to Q You mean trigonometry isn’t some big, ugly monster that makes  
    http://catcode.com/trig/index.html

14. The Math Forum - Math Library - Trigonometry
    The Math Forum s Internet Math Library is a comprehensive catalog of Web sites and Web pages relating to the study of mathematics. This page contains sites  
    http://mathforum.org/library/topics/trig/
    
    Extractions: An introduction and a guide to trigonometry, with hints and answers to exercises, and Java applets as illustrations. Contents include applications of trigonometry, angle measurement, chords, sines, cosines, tangents and slope, the trigonometry of right triangles, the trigonometric functions and their inverses, oblique triangles, and a summary of trigonometric identities. more>> The Trigonometric Functions - MacTutor Math History Archives Trigonometry and calculus problems from a variety of sources, including textbooks, math contests, NCTM books, puzzle books, and real-life situations, designed to reflect different levels of difficulty. From 1998 until 2002, the goal was to challenge students with non-routine problems and encourage them to put their solutions into words. Different types of problems were used to reach a diverse group of calculus students. more>> Trigonometry (calculus@internet) - WebPrimitives, Cambridge, Massachusetts

15. Trigonometry
    Pythagoras theorem. Trig ratios in a right angled triangle. Trig ratios of an angle of any size. Radian measure. Trig equations. Trig identities  
    http://www.mathtutor.ac.uk/trigonometry/Main.html

16. Trigonometry Redirection Page
    This page has moved to http//oolong.co.uk/trig.htm please update your links and bookmarks!  
    http://fergusmurray.members.beeb.net/trig.htm

17. PinkMonkey.com-Trigonometry Study Guide - Trigonometry Contents
    PinkMonkey.comtrigonometry StudyGuide -The World s largest source of Free Booknotes/Literature summaries. Hundreds of titles online for FREE 24 hours a  
    http://www.pinkmonkey.com/studyguides/subjects/trig/contents.asp

18. Trigonometry Realms
    Detailed explanation relating the basic trigonometric functions to the right triangle. Multiple choice problems concerning introductory trigonometry.  
    http://id.mind.net/~zona/mmts/trigonometryRealms/trigonometryRealms.html
    
    Extractions: Trigonometry Realms Mathematics Waves Simple Harmonic Motion Contents ... Home When you understand this animated diagram, Oh, no! Know Java. You shall understand the sin(x). Overview Introduction Common Angles in a Circle Point Definitions for Trig Functions Degrees, Minutes, and Seconds The Radian Solvers Mathematics Waves Simple Harmonic Motion ... E-mail

19. Trigonometry --  Britannica Online Encyclopedia
    www.britannica.com/eb/article9108709/trigonometry - Similar pages trigonometry - Content Standards (CA Dept of Education)Grades Eight Though Twelve - Mathematics Content Standards.  
    http://www.britannica.com/eb/article-9108709/trigonometry
    
    Extractions: Table of Contents Expand all Collapse all Introduction History of trigonometry Classical trigonometry Ancient Egypt and the Mediterranean world India and the Islamic world Passage to Europe Modern trigonometry From geometric to analytic trigonometry Application to science Principles of trigonometry Trigonometric functions Trigonometric functions of an angle Tables of natural functions Plane trigonometry ... Analytic trigonometry Coordinates and transformation of coordinates Polar coordinates Transformation of coordinates Additional Reading History of trigonometry Textbooks of trigonometry Print this Table of Contents Shopping

20. Trigonometry - Definition From The Merriam-Webster Online Dictionary
    Definition of trigonometry from the MerriamWebster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.  
    http://www.merriam-webster.com/dictionary/trigonometry

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