-3tg(1477°) + 7tg(1583°) = -3tg(1477° - 6π) + 7tg(1583° - 6π) = -3tg(37°) + 7tg(143°) = -3tg(37°) + 7tg(π - 37°) = -3tg(37°) - 7tg(37°) = -10tg(37°) = 10tg(-37°) = 10b
Ответ: 10b
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-3tg(1477°) + 7tg(1583°) = -3tg(1477° - 6π) + 7tg(1583° - 6π) = -3tg(37°) + 7tg(143°) = -3tg(37°) + 7tg(π - 37°) = -3tg(37°) - 7tg(37°) = -10tg(37°) = 10tg(-37°) = 10b
Ответ: 10b