Mathematics important complete chapter Triangle 📐 co-ordinate_Trikonmiti sin,cos,tan,cosec,sec,cot🙏

mathematics important chapter Triangle 📐 co-ordinate Trikonmiti sin2 A+ cos2A= 1 sec2A– tan2A= 1 cosec2A– cot2A= 1 sin2A = 2sinAcosA = 2sinA / (1+ tan2A) cos2A = cos2A– sin2A = 2cos2A– 1 = 1– 2sin2A = (1- tan2A) / (1+ tan2A) tan2A = 2tanA / (1- tan2A) sin3A = 3sinA- 4sin3A cos3A = 4cos3A- 3cosA sin(A + B) = sinAcosB + cosAsinB sin(A – B) = sinAcosB – cosAsinB cos(A + B) = cosAcosB Trikonmiti important formula and definition 🙏🙏🙏🙏🙏🙏🙏👍 Triangle important formula and definition chapter 6 triangle chapter 7 co-ordinate chapter 8 Trikonmiti ❤️❤️❤️❤️👍👍👍👍 This chapter is important up Board examination this language is very simple 🙏🙏🙏🙏🙏🙏 🪔🪔🪔🪔🪔🪔 ❌❌❌❌❌❌❌ Educational channel MATHEMATICS ❌❌❌❌❌❌❌ Digvijay . singh

Видео Mathematics important complete chapter Triangle 📐 co-ordinate_Trikonmiti sin,cos,tan,cosec,sec,cot🙏 автора Комбинаторические Квесты