Найду корень уравнения: 2sin(-x/2)=1
Разделим обе части ур-ния на -2
-pi x1 = ---- 3
7*pi x2 = ---- 3
сумма
pi 7*pi 0 - -- + ---- 3 3
=
2*pi
произведение
-pi 7*pi 1*----*---- 3 3
=
2 -7*pi ------ 9
x1 = -63.8790506229925
x2 = 57.5958653158129
x3 = 49.2182849062401
x4 = -101.57816246607
x5 = 74.3510261349584
x6 = 195.825942073764
x7 = -17.8023583703422
x8 = -5.23598775598299
x9 = -89.0117918517108
x10 = 70.162235930172
x11 = -30.3687289847013
x12 = 32.4631240870945
x13 = -38.7463093942741
x14 = 479288.705614517
x15 = 61.7846555205993
x16 = -68.0678408277789
x17 = 45.0294947014537
x18 = 24.0855436775217
x19 = 19.8967534727354
x20 = 11.5191730631626
x21 = 86.9173967493176
x22 = 99.4837673636768
x23 = -51.3126800086333
x24 = 82.7286065445312
x25 = -1.0471975511966
x26 = -76.4454212373516
x27 = -13.6135681655558
x28 = -80.634211442138
x29 = 36.6519142918809
x30 = 7.33038285837618
x31 = -55.5014702134197
x32 = -42.9350995990605
x33 = -93.2005820564972
x34 = -3762.58080144938
x35 = 95.2949771588904
x36 = -26.1799387799149