A/L Combined Maths :- (ත්‍රිකෝණමිතිය)( ‌පස්වන ක‌ොටස)pure mathematics 

pls, continue the whole syllabus, great explanation sir, thanks.

🔥🔥🔥Supiri bro..

"sin3x.cosx-cos3x.sinx=sin(3x-x)" wenne kohomada kiyala kiyala denna puluwanda? (Time 1:59)

13.57 sin pi/4 wenuwt, cos pi/4 dala anith akalana sutrayakin hadann barid?

Bhu kona suttra waldi Tan(3A) liypu eke hrye tan padyt 3k en ona ned aiyee

5.34 aiie oke sin3x-sin4x adu karanna barida

13.15 di +ho - fai bedeema 3 + fai bedeema 6 neweida enne???????

Ayye Cos A. Cos B +Sin A. Sin B Keti karala liyaddi Cos(A-B) da naththan Cos(B-A) da ganna puluwan

Aiye oya සින්හලද