Найду корень уравнения: tg(x/5)=-1
сумма
5*pi 0 - ---- 4
=
-5*pi ----- 4
произведение
-5*pi 1*----- 4
=
-5*pi ----- 4
x1 = -3.92699081698724
x2 = -35.3429173528852
x3 = -82.4668071567321
x4 = 11.7809724509617
x5 = 27.4889357189107
x6 = -51.0508806208341
x7 = 74.6128255227576
x8 = 43.1968989868597
x9 = -66.7588438887831
x10 = 58.9048622548086
x11 = -19.6349540849362
x12 = 90.3207887907066
x13 = -98.174770424681