Ответ:
tg(a)
Пошаговое объяснение:
(2sin^2a)/(sin2a) = (2sin^2a)/(2sin(a) * cos(a)) = sin(a)/cos(a) = tg(a)
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Ответ:
tg(a)
Пошаговое объяснение:
(2sin^2a)/(sin2a) = (2sin^2a)/(2sin(a) * cos(a)) = sin(a)/cos(a) = tg(a)