sin2xtgx-tgx+sin2x=1

sin2xtgx - tgx + sin2x = 1sin2xtgx - tgx + sin2x - 1 = 0tgx(sin2x - 1) + (sin2x - 1)(tgx + 1)(sin2x - 1) = 0tgx + 1 = 0tgx = -1x = -π/4 + πn, n ∈ Z.sin2x - 1 = 0sin2x = 12x = π/2 + 2πn, n ∈ Zx = π/4 + πn, n ∈ Z