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