Exact Values of Trigonometric Functions for Given Angles
Initializing live version

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
For certain choices of integers ,
, trigonometric functions of the angle
can be expressed in terms of (possibly nested) square roots.
Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
detailSectionParagraphPermanent Citation
"Exact Values of Trigonometric Functions for Given Angles"
http://demonstrations.wolfram.com/ExactValuesOfTrigonometricFunctionsForGivenAngles/
Wolfram Demonstrations Project
Published: March 7 2011