ПОЖАЛУЙСТА , СРОЧНО ПОМОГИТЕ ПО АЛГЕБРЕ, ОЧЕНЬ СИЛЬНО НУЖНО 50 БАЛЛОВ
What is required in the first question?
prove the equality between tg and ctg
what's the relationship with alpha beta and gama?
angles of alpha beta and gamma angles of a triangle, it is required to prove that tg (b / 2 + y / 2) = ctg (a / 2)
ok thanks
I hope this helps you
Thank you very much