Images TG PI X

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Tg pi x. TG X/2+Pi/4. TG(2x+пи/4)=-1. TG(X - пи на 2) = 1. TG(P/4-X/2)=-1.
TG X/2+Pi/4. TG(2x+пи/4)=-1. TG(X - пи на 2) = 1. TG(P/4-X/2)=-1.

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