Найду корень уравнения: tg(x)=-4
сумма
0 - atan(4)
=
-atan(4)
произведение
1*-atan(4)
=
-atan(4)
x1 = 8.09896029710135
x2 = -29.6001515459762
x3 = 23.8069235650503
x4 = -35.8833368531558
x5 = 121.196295826334
x6 = 74.072406022487
x7 = 80.3555913296666
x8 = 58.364442754538
x9 = -51.5913001211047
x10 = -7.60900297084762
x11 = 36.3732941794095
x12 = 30.0901088722299
x13 = 14.3821456042809
x14 = -1.32581766366803
x15 = -73.5824486962333
x16 = -7871.0154149061
x17 = -57.8744854282843
x18 = -79.8656340034129
x19 = 96.0635545976156
x20 = -13.8921882780272
x21 = 52.0812574473585