Найду корень уравнения: cos(x/4)=0
с изменением знака при 0
сумма
0 + 2*pi + 6*pi
=
8*pi
произведение
1*2*pi*6*pi
=
2 12*pi
x1 = 18.8495559215388
x2 = -94.2477796076938
x3 = 5447.5216613247
x4 = 56.5486677646163
x5 = -56.5486677646163
x6 = -69.1150383789755
x7 = 6.28318530717959
x8 = -7420.44184777909
x9 = 81.6814089933346
x10 = -31.4159265358979
x11 = -953517.352661652
x12 = -18.8495559215388
x13 = 43.9822971502571
x14 = 1602.21225333079
x15 = -6.28318530717959
x16 = 69.1150383789755
x17 = 94.2477796076938
x18 = -43.9822971502571
x19 = 6465.39768108779
x20 = 31.4159265358979
x21 = -81.6814089933346
x22 = 106.814150222053