The teacher will be very surprised to see your correct solution 😉
pi x_1 = -- 3
2*pi x_2 = ---- 3
sum
pi 2*pi -- + ---- 3 3
=
pi
product
pi 2*pi -- * ---- 3 3
=
2 2*pi ----- 9
x1 = -67.0206432765823
x2 = 33.5103216382911
x3 = -23.0383461263252
x4 = -10.471975511966
x5 = -93.2005820564972
x6 = 76.4454212373516
x7 = 63.8790506229925
x8 = 90.0589894029074
x9 = 82.7286065445312
x10 = 146.607657167524
x11 = -61.7846555205993
x12 = 1188.56922060814
x13 = -17.8023583703422
x14 = 26.1799387799149
x15 = 38.7463093942741
x16 = 944.572191179331
x17 = 8.37758040957278
x18 = -41.8879020478639
x19 = -79.5870138909414
x20 = -80.634211442138
x21 = 2.0943951023932
x22 = 240.855436775217
x23 = 32.4631240870945
x24 = -11.5191730631626
x25 = 19.8967534727354
x26 = -74.3510261349584
x27 = -55.5014702134197
x28 = -73.3038285837618
x29 = 27.2271363311115
x30 = 70.162235930172
x31 = 58.6430628670095
x32 = -104.71975511966
x33 = 209.43951023932
x34 = 39.7935069454707
x35 = 95.2949771588904
x36 = -86.9173967493176
x37 = 71.2094334813686
x38 = 1.0471975511966
x39 = 52.3598775598299
x40 = 101.57816246607
x41 = 77.4926187885482
x42 = 13.6135681655558
x43 = -92.1533845053006
x44 = -49.2182849062401
x45 = 57.5958653158129
x46 = -613.657765001206
x47 = -112.050137978036
x48 = -68.0678408277789
x49 = 20.943951023932
x50 = 83.7758040957278
x51 = -30.3687289847013
x52 = 14.6607657167524
x53 = -29.3215314335047
x54 = 46.0766922526503
x55 = -36.6519142918809
x56 = 170.693200845045
x57 = -42.9350995990605
x58 = -4.18879020478639
x59 = -85.870199198121
x60 = -60.7374579694027
x61 = -99.4837673636768
x62 = 51.3126800086333
x63 = -54.4542726622231
x64 = -5.23598775598299
x65 = -48.1710873550435
x66 = -98.4365698124802
x67 = 96.342174710087
x68 = -16.7551608191456
x69 = 45.0294947014537
x70 = -520.457182944709
x71 = -6607.81654805053
x72 = 7.33038285837618
x73 = -24.0855436775217
x74 = 64.9262481741891
x75 = -35.6047167406843
x76 = 195.825942073764
x77 = 89.0117918517108
x77 = 89.0117918517108