Images TG 1 РЕШЕНИЕ

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Tg 1 решение. Sin x + cos x. Tg2x 1 cos2x. Sin x + cos x = 0. TG Х/2=(1-cos x)/sin x.
Sin x + cos x. Tg2x 1 cos2x. Sin x + cos x = 0. TG Х/2=(1-cos x)/sin x.

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