Johannes Werner

Also found as Werner

The trigonometric product-to-sum formula discussed in comparison with Ibn Yūnus.

Research archive · Mention / quotation

MADE TO KEEP & SHARE

Posters

Loading posters…

FROM THE RESEARCH ARCHIVE

Follow the research

This summary comes from the collected Islamic Scientific Heritage posts. It has not been independently verified in full. A book name match alone does not confirm every claim in a post.

Research note: Comparison mention; no extended biography.

11 original research posts

Research post 1
Research post 2
Research post 3
Research post 4
Research post 5
Research post 6
Research post 7
Research post 8
Research post 9
Research post 10
Research post 11

A new pioneer, in your inbox.

A thoughtful read for grown-ups. Ideas to bring home to your family.

Choose your pace