Images COS2X TG

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Cos2x tg. 1+TG^2x. 1-Tg2x/1+tg2x. 1+Tg2x формула. Cos x = 1/1+TG*2 X.
1+TG^2x. 1-Tg2x/1+tg2x. 1+Tg2x формула. Cos x = 1/1+TG*2 X.

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