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Tg pi x. Tg2x 1 3 TGX 3 0. Тг(х+пи/4)=1. TG^2x/2-CTG(Pi/2+x/2)-6=0. TG пи(8x+3) /6.
Tg2x 1 3 TGX 3 0. Тг(х+пи/4)=1. TG^2x/2-CTG(Pi/2+x/2)-6=0. TG пи(8x+3) /6.

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