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Tg п x. TG П(Х+4)\3=1. TG(П/3-Х/2)=1. TG П(Х-1)/6. TG(3x+п/6)=1.
TG П(Х+4)\3=1. TG(П/3-Х/2)=1. TG П(Х-1)/6. TG(3x+п/6)=1.

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