№1
2sin3x = 2
sin3x = 2 : 2
sin3x = 1
3x = π/2 + 2πn, где n Є Z
x = π/3 + 2πn/3
№2
3tg²2x - 1 = 0
tg²2x = 1
tg2x = 1
2x = π/4 + 2πn
x = π/8 + 2πn/8
x = π/8 + πn/4
№1
2sin3x = 2
sin3x = 2 : 2
sin3x = 1
3x = π/2 + 2πn, где n Є Z
x = π/3 + 2πn/3
№2
3tg²2x - 1 = 0
tg²2x = 1
tg2x = 1
2x = π/4 + 2πn
x = π/8 + 2πn/8
x = π/8 + πn/4