Question

1) tg(x/2-П/4)=√3
2)Ctg(x-П)=√3/3
3)sin^2(x-30°)=1/2 Решитте скока сможите прошу

Answer 1

1) х/2 - π/4 = arctg √3 +πn
x/2 -π/4 = π/3 + πn
x/2 = π/3 + π/4 +πn
x/2 =7π/12 + πn
x = 7π/6 + 2πn
2) ctg (x-π) = -ctg(π-x) = ctg x
ctg x = √3/3
x = arcctg √3/3 + πn
x = π/3 + πn