The First Trigonometric Proof of the Pythagorean Theorem Explained

A Historic Trigonometric Proof of the Pythagorean Theorem

Remember, a week ago I wrote about a new proof of the Pythagorean theorem — the first trigonometric proof in history, and one discovered by schoolgirls rather than great scientists.

Watch the Trigonometric Proof of the Pythagorean Theorem Explained

Here is a clear and simple explanation of the proof itself:

https://youtu.be/v-X_cbvlEsk?si=y8neDvgX1mS4gCWx