Ответ:
7
Объяснение:
x1 + x2 = -p
x1 * x2 = q
x1 = 3; x2 = 4.
tg(A + B) = 7
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Ответ:
7
Объяснение:
x1 + x2 = -p
x1 * x2 = q
x1 = 3; x2 = 4.
tg(A + B) = 7