In this video I show a simple geometric proof of the cosine law. This is very useful in real world applications. Also from the proof of the cosine law you can easily proof the Pythagorean theorem as well by setting the angle equal to 90 degrees.
Download video notes: https://1drv.ms/b/s!As32ynv0LoaIieA6mrR41UsY7jNfnw?e=EYalZT
Watch video on:
- 3Speak:
- Odysee: https://odysee.com/@mes:8/Trigonometry-Proof-of-Law-of-Cosines-and-Pythagorean-Theorem:c
- BitChute:
- Rumble:
- DTube:
- YouTube:
View Video Notes Below!
Download these notes: Link is in video description.
View these notes as an article: @mes
Subscribe via email: http://mes.fm/subscribe
Donate! :) https://mes.fm/donate
Buy MES merchandise! https://mes.fm/store
More links: https://linktr.ee/matheasy
Follow my research in real-time on my MES Links Telegram: https://t.me/meslinks
Subscribe to MES Truth: https://mes.fm/truthReuse of my videos:
- Feel free to make use of / re-upload / monetize my videos as long as you provide a link to the original video.
Fight back against censorship:
- Bookmark sites/channels/accounts and check periodically
- Remember to always archive website pages in case they get deleted/changed.
Recommended Books:
- "Where Did the Towers Go?" by Dr. Judy Wood: https://mes.fm/judywoodbook
Join my forums!
- Hive community: created/hive-128780
- Reddit: https://reddit.com/r/AMAZINGMathStuff
- Discord: https://mes.fm/chatroom
Follow along my epic video series:
- #MESScience: https://mes.fm/science-playlist
- #MESExperiments: @mes/list
- #AntiGravity: @mes/series
-- See Part 6 for my Self Appointed PhD and #MESDuality breakthrough concept!- #FreeEnergy: https://mes.fm/freeenergy-playlist
- #PG (YouTube-deleted series): @mes/videos
NOTE #1: If you don't have time to watch this whole video:
- Skip to the end for Summary and Conclusions (if available)
- Play this video at a faster speed.
-- TOP SECRET LIFE HACK: Your brain gets used to faster speed!
-- MES tutorial: @mes/play-videos-at-faster-or-slower-speeds-on-any-website- Download and read video notes.
- Read notes on the Hive blockchain #Hive
- Watch the video in parts.
-- Timestamps of all parts are in the description.Browser extension recommendations:
- Increase video speed: https://mes.fm/videospeed-extension
- Increase video audio: https://mes.fm/volume-extension
- Text to speech: https://mes.fm/speech-extension
--Android app: https://mes.fm/speech-android
Trigonometry Proofs: Law of Cosines
Geometric Proof of the Cosine Law
Corollary: Proof of the Pythagorean Theorem
Example
