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Tg π cos π. Формула TG(Π/4+Ɑ). Sin( 2 3π −α). Sin( 2 π +α)=. Cos(π/2 − α)=.
Формула TG(Π/4+Ɑ). Sin( 2 3π −α). Sin( 2 π +α)=. Cos(π/2 − α)=.

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