Images TG 2П

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Tg 2п. TG П/6. 2 TG П/6 TG П/3 cos п/6. TG(6-П/6)=-1. TG 2 П/8.
TG П/6. 2 TG П/6 TG П/3 cos п/6. TG(6-П/6)=-1. TG 2 П/8.

See also