1) tgx=1 2)tgx=-1 3)tgx=0 4)tgx=-2 5)tg^2x-6tgx+5=0 6)tg^2x-2tgx-3=0

1) tgx = 1x = π/4 + πn, n∈Z2) tgx = - 1x = - π/4 + πn, n∈Z3) tgx = 0x = πk, k∈Z4) tgx = - 2x = arctg(-2) + πk, k∈Zx = -arctg(2) + πk, k∈z5)  tg^2x - 6tgx + 5 = 0a)  tgx = 1x1 = π/4 + πn, n∈Zb)  tgx = 5x2 = arctg(5) + πk, k∈z6)  tg^2x - 2tgx - 3 = 0a)  tgx = - 1x1 = - π/4 + πn, n∈Zb)  tgx = 3x2 = arctg(3) + πk, k∈z