11284
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Two Visual Proofs of a Basic Trigonometric Identity
This Demonstration shows two visual proofs of the identity
.
Contributed by:
Izidor Hafner
SNAPSHOTS
RELATED LINKS
Trigonometry
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Two Visual Proofs of a Basic Trigonometric Identity
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TwoVisualProofsOfABasicTrigonometricIdentity/
Contributed by:
Izidor Hafner
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
Squares of Sine and Cosine
Izidor Hafner
Dissection Proof of the Addition Formula for Sines
Izidor Hafner
Cosine and Sine of the Sum of Two Angles
Tomas Garza
Dudeney's Proof of the Pythagorean Theorem
Izidor Hafner
A Visual Proof of the Double-Angle Formula for Sine
Chris Boucher
Cofunction Identities for Sine and Cosine
Chris Boucher
A Special Case of the Sum of Two Cosines
Izidor Hafner
The Medians of a Triangle Are Concurrent: A Visual Proof
Tomas Garza
Thales's Theorem: A Vector-Based Proof
Tomas Garza
Da Vinci's Proof of the Pythagorean Theorem
Tomas Garza
Related Topics
Plane Geometry
Theorem Proving
Trigonometric Functions
Browse all topics
Related Curriculum Standards
US Common Core State Standards, Mathematics
HSF-TF.C.8
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+