Images TG 2SIN

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Tg 2sin. Tg6b-sin2b-tg2b/cos2b-ctg2b. Sin cos TG CTG формулы. Sin 2/3. Sin2+cos2=TG.
Tg6b-sin2b-tg2b/cos2b-ctg2b. Sin cos TG CTG формулы. Sin 2/3. Sin2+cos2=TG.

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