3 3TAN + X = 0 A) X = -Π/6 + KΠ B) X = Π/6 + KΠ...

6/ - DE KIEM TRA 15 PHUT LOP 11 DAP AN
Lớp 11 DE KIEM TRA 15 PHUT LOP 11 DAP AN

6/ Giải pt: 3 3tan + x = 0

a) x = -π/6 + kπ b) x = π/6 + kπ c) x = ± π/6 + kπ/6 d) x = ± π/2 + k2π