Prove sin2A-sinA/1-cosA+cos2A = tanA

preview_player
Показать описание
Dibas, a creator of the SEE Ko Guide, is walking through the solution to the trigonometry question of the optional math subject of class ten.

We have published 10 educational apps on the Play Store. All of the apps are available for free.

#seekoguide #trigonometry
Рекомендации по теме