Images COS 3 2 TG

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Cos 3 2 tg. Cos2=2/3 sin2-? Tg2-? Решение. Sin(2α) = 2·sin(α)·cos(α) формула. T G 2 Α ⋅ cos 2 ( α ) + cos 2 ( α ). 7−5cos2α, если sinα=3/5.
Cos2=2/3 sin2-? Tg2-? Решение. Sin(2α) = 2·sin(α)·cos(α) формула. T G 2 Α ⋅ cos 2 ( α ) + cos 2 ( α ). 7−5cos2α, если sinα=3/5.

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