Verified answer

Ответ:2

Объяснение:

(tg∝+ctg∝)Sin2∝= (tg∝+ctg∝)*2Sin∝Cos∝ = (Sin∝/Cos∝+Cos∝/Sin∝)·2Sin∝Cos∝ =(Sin²∝+Cos²∝) /Sin∝Cos∝  * 2Sin∝Cos∝ = 1/Sin∝Cos∝  * 2Sin∝Cos∝ = 2