Images TG 2 A B

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Tg 2 a b. 1+Tg2a 1/cos2a. Tg2a формула. 1+Tg2a. TG^2 A/2.
1+Tg2a 1/cos2a. Tg2a формула. 1+Tg2a. TG^2 A/2.

See also