A - k>0; b>0
Б - k<0; b<0
B - k<0; b>0
Ответ: А Б В
2 1 4
Tgx = 3
sinx/cosx = 3
sinx = 3cosx
Подставляем вместо синуса 3cosx:
(9cosx + cosx)/(3cosx - 4cosx) = 10cosx/(-cosx) = -10.
Ответ: -10.
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