Объяснение:
tg(x-π/4)=1
x-π/4=arctg1+πn
x-π/4=π/4+πn
x=π/2+πn
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Объяснение:
tg(x-π/4)=1
x-π/4=arctg1+πn
x-π/4=π/4+πn
x=π/2+πn