212. Maths | Trigonometry | Trigonometrical Ratios

[@srinivasanarayanan8120]

Sine, cosine, இந்த பெயர்களை எப்படி வைத்தனர்?

[@aswinaswin455]

Good teaching

[@ponarasu8242]

Extraordinary teaching sir. Helps to understanding very very easily. Thankyou sir. God with you

[@kumara5288]

Sir..What is the use of sin,cos,tan,sec etc?...and what is the difference between them? What are these applications?

[@GaneshKumar-nr3fx]

Sir, at 5:38, cot theeta definition thappa soliteenga. Please change in the audio.

[@suriyanmj8886]

Sir en anything / zero infinity nu Soldranga athuku ethavathu proof iruganga sir??? Please explain sir.

[@annijneettamil5156]

Your teaching is smart

[@prasanthkhan]

Why sir we take right angle triangle only.why we don't take other triangles

[@prasanthkhan]

Why we take right angle triangle only

[@KalabharathiAcademy]

Simple...! Any polygon can be converted into triangle and in turn any triangle can be converted into two right angled triangles. So therefore, studying right angled triangle is very very vital in mathematics...

[@prasanthkhan]

Thanks sir

[@sureshkannan6313]

Sir pi and co-ordinate system galileo,Descartes time la Kandi pidichadhu dhana adha epdi aaryapatta 2500 years before trigonometry la use pannaru

[@srinivasanarayanan8120]

Aryabhatta discovered many things before them and he made a sloka in his book to remember 32 decimal places of π

[@kaileshprabhurajeshkumar9034]

Semmma explanation sir...

[@KalabharathiAcademy]

Thank you

[@saradhams4407]

thankyou