30 БАЛЛОВ!!!Решите 2 тригонометрических уравнение
25 cos(2x+π/3)=-1 2x+π/3=π+2πn 2x=2π/3+2πn x=π/3+πn,n∈z 26 sin(3x-π/3)=-1 2x-π/3=-π/2+2πn 2x=5π/6+2πn x=5π/12+πn,n∈z