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

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]
Contributed by: Izidor Hafner (January 2012)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

## Permanent Citation