Решите уравнения
1. cos x = 0
2. tg x = 0
3. ctg x = 0
4. sin x = 0
5. sin x = 1
6. sin x = 1/2
7. cos x = - 1

Question

Алгебра: Решите уравнения 1. cos x = 0 2. tg x = 0 3. ctg x = 0 4. sin x = 0 5. sin x = 1 6. sin x = 1/2 7. cos x = - 1

Дима22222222 · Answer

1) cos(x)=0x=π/2+πk, k∈z2) tg(x)=0x=πk, k∈z3) ctg(x)=0x= π/2+πk, k∈z4) sin(x)=0x=πk, k∈z5) sin(x)=1x=π/2 +2πk, k∈z6) sin(x)=1/2x=, k∈z7) cos(x)= -1x=π+2πk, k∈z...