The Most Beautiful Proof of sin(α+β) | Using Ptolemy’s Theorem!
Автор: Decode maths by ram sir
Загружено: 2026-02-24
Просмотров: 45
Описание:
#maths #trigonometry #ptolemytheorem #sinalphaplusbeta
#mathstricks #boardexam2026 #class11maths #class12maths
#mathswithramsir #jeepreparation #jeetrigonometry
#geometrymagic #mathsproofs #mathsshorts #youtubemaths
#mathematicslove #edutech #learnwithfun #studymotivation
#mathematicsvideo #formuladerivation
In this video, we explore the most beautiful geometric proof of the identity
sin(α + β) using the ancient and powerful Ptolemy’s Theorem.
Instead of memorising formulas, you will understand why the identity works
through a simple and elegant diagram.
This method is extremely useful for
✔ Class 11 & 12 Boards
✔ JEE Aspirants
✔ Competitive Exams
✔ Students who want conceptual clarity
By the end of this video, you’ll realise how geometry and trigonometry are deeply connected — and how a 2000-year-old theorem can reveal the magic behind the sum of angles formula.
If you found the explanation helpful, don’t forget to like, share & subscribe to
Decode Maths by Ram Sir for more concept–clearing videos!
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