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About: Brief Trigonometry Tutorial

Module by: R.G. (Dick) Baldwin. E-mail the author

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Name: Brief Trigonometry Tutorial
ID: m37435
Language: English (en)
Summary: Many of the computational requirements for an introductory physics course involve trigonometry. This module provides a brief tutorial on trigonometry fundamentals that is designed to be accessible to blind students.
Subject: Science and Technology
Keywords: accessible, angle, arccosine, arcsine, arctangent, blind, cosine, graph board, JavaScript, physics, protractor, quadrant, refreshable Braille display, screen reader, sine, tangent, trigonometry
License: Creative Commons Attribution License CC-BY 3.0

Authors: R.G. (Dick) Baldwin (
Copyright Holders: R.G. (Dick) Baldwin (
Maintainers: R.G. (Dick) Baldwin (

Latest version: 1.7 (history)
First publication date: Apr 12, 2011 12:17 am +0000
Last revision to module: Jul 2, 2011 3:50 pm +0000


PDF: m37435_1.7.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m37435_1.7.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 1.7 Jul 2, 2011 3:50 pm +0000 by R.G. (Dick) Baldwin
Updated revision date

Version: 1.6 Jul 2, 2011 2:57 pm +0000 by R.G. (Dick) Baldwin
Added non-mirror-image versions of the images in the svg files.

Version: 1.5 Jun 28, 2011 12:56 pm +0000 by R.G. (Dick) Baldwin
Removed "for Blind Students" from the title.

Version: 1.4 Jun 28, 2011 12:52 pm +0000 by R.G. (Dick) Baldwin
Removed "for blind students" from the title.

Version: 1.3 Jun 28, 2011 10:19 am +0000 by R.G. (Dick) Baldwin
Added svg files for tactile graphics.

Version: 1.2 Apr 17, 2011 1:28 pm +0000 by R.G. (Dick) Baldwin
Added new material

Version: 1.1 Apr 13, 2011 5:53 pm +0000 by R.G. (Dick) Baldwin
First publication

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American Chemical Society (ACS) Style Guide:

Baldwin, R. Brief Trigonometry Tutorial, OpenStax-CNX Web site., Jul 2, 2011.

American Medical Assocation (AMA) Manual of Style:

Baldwin R. Brief Trigonometry Tutorial [OpenStax-CNX Web site]. July 2, 2011. Available at:

American Psychological Assocation (APA) Publication Manual:

Baldwin, R. (2011, July 2). Brief Trigonometry Tutorial. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Baldwin, Richard. "Brief Trigonometry Tutorial." OpenStax-CNX. July 2, 2011.

Chicago Manual of Style (Note):

Richard Baldwin, "Brief Trigonometry Tutorial," OpenStax-CNX, July 2, 2011,

Chicago Manual of Style (Reference, in Author-Date style):

Baldwin, R. 2011. Brief Trigonometry Tutorial. OpenStax-CNX, July 2, 2011.

Modern Languages Association (MLA) Style Manual:

Baldwin, Richard. Brief Trigonometry Tutorial. OpenStax-CNX. 2 July 2011 <>.