Найду корень уравнения: tg3x/4=-1
Разделим обе части ур-ния на 1/4
-atan(4) x1 = --------- 3
сумма
atan(4) 0 - ------- 3
=
-atan(4) --------- 3
произведение
-atan(4) 1*--------- 3
=
-atan(4) --------- 3
x1 = 14.2188264955297
x2 = 54.0123334410004
x3 = 82.2866673233085
x4 = 76.003482016129
x5 = -28.7162731035308
x6 = -94.6897188289165
x7 = -73.7457678049845
x8 = 39.351567724248
x9 = 36.2099750706582
x10 = 97.9946305912575
x11 = -51.754619229856
x12 = -95.7369163801131
x13 = -29.7634706547274
x14 = -37.0938535131036
x15 = -7.77232207959886
x16 = -76.8873604585743
x17 = -91.5481261753267
x18 = 7.9356411883501