3sinx-3=0 -4tgx=0 6+6sinx=0 Хееелп

1) 3sinx = 3 sinx = 1 x = pi/2 + 2pi*n, n€z. 2)tgx = 0 x = pi*n, n€z. 3)6sinx = -6 sinx = -1 x = -pi/2 + 2pi*n, n€z.