Wolfram Demonstrations Project

12,000+ Open Interactive Demonstrations
Powered by Notebook Technology »

The Sum of the Sines of a Sum and Difference of Two Angles

Download to Desktop Copy to Clipboard
Source

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.

Requires a Wolfram Notebook System

Edit on desktop, mobile and cloud with any Wolfram Language product.

This Demonstration provides a visual proof of the formula .

[more]

The area of the large rectangle is . The area of colored quadrilateral is . It equals the sum of the pink triangle with area and the brown triangle with area .

[less]

Contributed by: Izidor Hafner (January 2012)
Open content licensed under CC BY-NC-SA

Snapshots

Details

Embed Code

Related Demonstrations More by Author
Browse all topics
Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
Send