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
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
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Verified answer
1) cos(x)=0
x=π/2+πk, k∈z
2) tg(x)=0
x=πk, k∈z
3) ctg(x)=0
x= π/2+πk, k∈z
4) sin(x)=0
x=πk, k∈z
5) sin(x)=1
x=π/2 +2πk, k∈z
6) sin(x)=1/2
x=
, k∈z
7) cos(x)= -1
x=π+2πk, k∈z