Trigonometry- Pythagorean Identities |

Proof of the Pythagorean trig identity

Pythagorean Theorem: illustration with sand / Models // Mathematical Etudes

Samn Johnson on Instagram: "While I'm talking about the pythagorean comma, here is a piece that uses "stepwise" horizontal motion by this comma. It's a song from my cycle Consolation - setting Latin poetry by Boethius. Boethius wrote this text while awaiting execution, attempting to graple with his fate. The poems start out quite agitated and despairing, and move to a, well, consoled acceptance and sense of greater purpose. I play with tuning a lot over the piece, with pythagorean and meantone t

3.1.4: Pythagorean Identities

Pythagorean Identities - Formula, Derivation, and Applications - The Story of Mathematics - A History of Mathematical Thought from Ancient Times to the Modern Day

Pythagorean Identity Theorem | Definition, Formula & Examples