1) 2tg²x+3tgx-2=0 2) 2ctgx-3tgx+5=0 Помогите решить уравнения…

1) 2tg²x+3tgx-2=0tgx=t2t²+3t-2=0t1=-2; tgx=-2; x=pi*n -1/tg2 , n E Zt2=1/2; tgx=1/2; x=pi*n+1/tg (1/2) , n E Z 2) 2ctgx-3tgx+5=02 / tgx-3tgx+5=0tgx=t2 / t-3t+5=02-3t^2+5t=03t^2-5t-2=0t1=-1/3; tgx=-1/3; x=pi*n — 1/tg (1/3) , n E Zt2=2; tgx=2; x=pi*n+1/tg (2) , n E Z