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best video: trig functions

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The most popular links about trig functions (by google opininon):

Is Mathematics Discovered Or Invented? - Slashdot

When you get into something like calculus or trig, this is not an intuitive process anymore, and has to be invented, and taught to the next g by ...
http://slashdot.org/article.pl?sid=08/04/26/210230

The ???most spherical??? Platonic solid ?? ?

I spent quite some time over the Easter holidays finding expressions for the volume of a dodecahedron and icosahedron with edge lengths 1 unit.? I found that there is a known and perhaps surprising result, that a dodecahedron fills more of a sphere wh
http://jbaker.edublogs.org/2008/04/19/dodecahedron-volume-and-related-calculations/

Linked by Thom Holwerda on Sun 2nd Sep 2007 18:40 UTC New Mobile Computing

Eric S. Raymond writes on his blog: "There's been a lot of debate in the community about how OSI should properly handle Microsoft's planned submission of some of its licenses for OSD certification. That debate has been been going on within OSI, too.
http://www.newmobilecomputing.com/thread?268281

Differentiate Using The Chain Rule Multiple Times

See if you can differentiate this trig/power function composition. Latex images and a video on the product/chain rules for differential calculus.
http://dailycalculus.blogspot.com/2008/04/differentiate-using-chain-rule-twice.html

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

Trig Functions

Rudimentary knowledge and formulae of trigonometric functions of sine, cosine, tangent, cotangent, secant, and cosecant ... Due to SuperMemo Library being moved to a new server ...
http://super-memory.com/sml/colls/trigfns.htm

MathHelp Notebook on trig functions

The two basic trig functions are called sine and cosine. For an input x, these functions are written as "sinx" and "cosx".
http://www.ucl.ac.uk/Mathematics/geomath/trignb/trigmod.html

week 33 lesson plans

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http://www.mtsd.org/teachers/hurt/?p=32

News and Features for Wasilla, Alaska Mat-Su Valley Frontiersman

MAT-SU ?? trig Paxson Van Palin??s early arrival may have upset the schedule of his mother, Gov. Sarah Palin, but the family reports mother and son are doing fine.
http://www.frontiersman.com/articles/2008/04/26/local_news/doc480ad3e2c65c0841152474.txt

Trigonometric Functions

Trigonometric functions are often omitted in basic calculus courses for students not majoring in the mathematical sciences. However, the sine and cosine ...
http://www.hofstra.edu/matscw/trig/trigintro.html

Math.com Trig Functions

Free math lessons and math homework help from basic math to algebra, ... notation that writes the square of the trig functions, such as sinx2 as sin2 ...
http://www.math.com/tables/algebra/functions/trig/functions.htm

Trig. functions and their graphs

TRIGONOMETRICAL functions OR CIRCULAR functions Sketching the graphs of these functions is useful ... the graphs of these functions is ...
http://www.acts.tinet.ie/trig.functionsandtheir_668.html

Directed Thinking vs. Compulsive Thinking

For instrumental music while reading, choose: hi-fi broadband or low-fi. Do you have to think, or do you think to have? Thinking should be optional. Compulsory thinking is all too common. If your thoughts are non-stop, you are not thinking. Instead,
http://www.tupelokenyon.com/2008/04/18/directed-thinking-vs-compulsive-thinking/

Metro School Does Things its Own Way Monday, April 14 WCPN Cleveland

On television, on radio, and online, ideastream is spending this week looking at what our kids need to learn to be competitive in the global economy. We??re calling the series, "21st Century Schools." What we??re hearing is that students not only need l
http://www.wcpn.org/index.php/WCPN/news/11283/

Trigonometric Functions

We&39ve used the unit circle to define the trigonometric functions for acute angles so far. We&39ll need more than acute angles in the next section where we&39ll ...
http://www.clarku.edu/djoyce/trig/functions.html

The Trig Functions - Overview

... the ratio of the lengths of any two of the triangle's sides by trig functions. ... By far, the two most important trig functions to remember are sine and cosine. ...
http://math2.org/math/algebra/functions/trig/overview.htm

Math.com Trig Functions

It is often simpler to memorize the the trig functions in terms of only sine and cosine: ...
http://www.math.com/tables/algebra/functions/trig/functions.htm

Computers and me - before PCs

Miriam Midkiff on the Ancestories2:Stories of Me for my Descendants has posted a prompt to write about the computers I have known and their impact on my life. Ahem... this may take awhile, given my prolix nature and my known affection for logical machines
http://randysmusings.blogspot.com/2008/04/computers-and-me-before-pcs.html

Inverse Trigonometric Functions

Inverse Trigonometric Functions. You probably remember from high school that there are many occassions in which an angle is specified by giving the value of ...
http://www.ugrad.math.ubc.ca/coursedoc/math100/notes/zoo/invtrig.html

Math.com Trig Overview

Free math lessons and math homework help from basic math to algebra, ... the ratio of the lengths of any two of the triangle's sides by trig functions. ...
http://www.math.com/tables/algebra/functions/trig/overview.htm

Inverse trig. functions

Inverse Trigonometric functions Of all the angles determined by the inverse of a trigonometric function we call the one with the
http://www.acts.tinet.ie/inversetrig.functions_668.html

Infinitesimal rotations and Lie algebras

A little while back I tried to give a rough idea of what Lie algebras were about. What I want to do now is show how with a bit of Haskell code we can directly get our hands on one. I'm going to assume you know how to make matrices for rotations, and multi
http://sigfpe.blogspot.com/2008/04/infinitesimal-rotations-and-lie.html

List of trigonometric identities - Wikipedia, the free encyclopedia

In mathematics, trigonometric identities are equalities that involve trigonometric functions that are true for every single value of the occurring variables ...
http://en.wikipedia.org/wiki/List_of_trigonometric_identities

Math.com Trig Functions

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems ...
http://www.math.com/tables/algebra/functions/trig/functions.htm

sixtrigfn

Six trig Functions...
http://www.ies.co.jp/math/java/trig/sixtrigfn/sixtrigfn.html

Math 30 Pure Homework April 14-18, 2008

Monday: Graphing trig functions Part 1.? Lesson 7 Rd. pg 265-267. HW pg 267 1-12 Click here for Trig1 Assignment and Solutions.trig1asignmentandanswers Tuesday: Lesson 8 Transformations of trig functions 1?A and B. Rd. pg 273-276. HW pg 276
http://cchsmathphysics.wordpress.com/2008/04/14/math-30-pure-homework-april-14-18-2008/

Introduction to Trigonometric Functions

Introduction to Trigonometric Functions. Equalities and Inequalities. Further Trigonometric Functions. Triangles. Ferris Wheel · Crane ...
http://www.ies.co.jp/math/products/trig/menu.html

Mathwords: Inverse Trig Functions

Inverse trig Functions. The six functions sin -1 , cos -1 , tan -1 , csc -1 , sec -1 , and cot -1
http://www.mathwords.com/i/inverse_trig_functions.htm

Dave's Short Trig course

Inverse trig functions: arcsine, arccosine, and arctangent ... The trigonometric functions and their inverses ...
http://aleph0.clarku.edu/djoyce/java/trig/

In Defense of Some High School Calculus

I'm usually one of the first to express skepticism about high school calculus. This is a result of my transition from having a default assumption that students' backgrounds are mostly like mine which is what I thought when I started teaching to assuming
http://learningcurves.blogspot.com/2008/04/in-defense-of-some-high-school-calculus.html

Trig Cheat Sheet

File Format: PDF/Adobe Acrobat - View as HTMLDefinition of the trig Functions. Right triangle definition. For this definition we assume that ... The period of a function is the number,. T, such that ...
http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet_Reduced.pdf

Pauls Online Notes : Calculus I - Review : Trig Functions

First let's start with the six trig functions and how they relate to each other. ... used to determine the value of the trig functions at any of the "common" angles. ...
http://tutorial.math.lamar.edu/AllBrowsers/2413/TrigFcns.asp

Trigonometric functions - Wikipedia, the free encyclopedia

In mathematics, the trigonometric functions also called circular functions are functions of an angle. They are important in the study of triangles ...
http://en.wikipedia.org/wiki/Trigonometric_functions

The Google Calculator

Yesterday I blogged about Microsoft Word??s hidden calculator today, its Google??s. Well, it??s a calculator, yes but hidden? Not at all. It??s right there in Google??s search box. That??s right: Google has a surprisingly powerful calculator buil
http://www.rosevines.org/blog/2008/4/14/the-google-calculator.html

Differentiation of Inverse Trigonometric Functions

None of the six basic trigonometry functions is a one-to-one function. However, in the following list, each trigonometry function is listed with an ...
http://www.math.ucdavis.edu/kouba/CalcOneDIRECTORY/invtrigderivdirectory/InvTrigDeriv.html

Yahoo! Domains Web Card

COSINE: trigfunctions.com: trig functions -- Decatur&aposs BEST Punk Rock! trig FUNCTIONS: The trig functions are still rockin&apos, Hamm&aposs-style, all across the U.S. of A.
http://TRIGFUNCTIONS.COM

Summary of trigonometric identities

Identities expressing trig functions in terms of their complements ... Periodicity of trig functions. Sine, cosine, secant, and cosecant ...
http://aleph0.clarku.edu/djoyce/java/trig/identities.html

Texas Instruments TI-30X IIS 2-Line Scientific Calculator Pink

Product Description A calculator for science, math, algebra, trigonometry, statistics. 2-Line Display, 5 Memories Enter/delete/insert/edit individual statistical data elements trig functions in degrees and radians Fractions and Fraction/Decimal conver
http://my.donews.com/story/2008/04/22/texas-instruments-ti-30x-iis-2-line-scientific-calculator-pink/

Summary of trigonometric identities

Periodicity of trig functions. Sine, cosine, secant, and cosecant have period 2 pi while tangent and cotangent have period pi . sin t + 2 pi = sin t ...
http://www.clarku.edu/djoyce/trig/identities.html

Trigonometric Functions

Trigonometric functions are often omitted in basic calculus courses for students ... on applications of the trigonometric functions in modeling real life situations. ...
http://people.hofstra.edu/faculty/Stefan_Waner/trig/trigintro.html

Functions 2 - maths online Gallery

It is helpful if the user already knows some elementary facts about the trigonometric functions. See e.g. the applet Definition of the trig ...
http://www.univie.ac.at/future.media/moe/galerie/fun2/fun2.html

C2 Graphs of Trigonometric Functions

Presentation: Chapter 8 trig Graphs?- a PowerPoint outlining the important information in Chapter 8 that pupils need to learn. Details have been omitted from diagrams, so that you can add them as you go through the presentation with the students. I pr
http://mathsteaching.wordpress.com/2008/04/18/c2-graphs-of-trigonometric-functions/

Trigonometric Functions

There are a few angles for which all trigonometric functions may be found using the triangles shown in the following Figure 2. ...
http://www.sosmath.com/trig/Trig2/trig2/trig2.html

Trig Function Point Definitions

Quick Instructions: The above applet starts with the sine function active. Any of the six trigonometric functions can be activated by choosing the appropriate radio button at the ...
http://id.mind.net/zona/mmts/trigonometryRealms/TrigFuncPointDef/TrigFuncPointDefinitions.html

Trigonometry Realms

Quick view of definitions and graphs of trigonometric functions. ... Definitions of trig functions based on an x, y point on the terminal ...
http://id.mind.net/zona/mmts/trigonometryRealms/trigonometryRealms.html