The teacher will be very surprised to see your correct solution 😉
/x\ 567 tan|-| = ---- \2/ 1000
/567 \ x1 = 2*atan|----| \1000/
x1 = 2*atan(567/1000)
sum
/567 \ 2*atan|----| \1000/
=
/567 \ 2*atan|----| \1000/
product
/567 \ 2*atan|----| \1000/
=
/567 \ 2*atan|----| \1000/
2*atan(567/1000)
x1 = -30.3843239673945
x2 = 13.5979731828626
x3 = 63.8634556402993
x4 = -55.5170651961128
x5 = -61.8002505032924
x6 = -80.6498064248312
x7 = -24.1011386602149
x8 = 7.31478787568305
x9 = 38.730714411581
x10 = -93.2161770391903
x11 = -17.8179533530353
x12 = -68.083435810472
x13 = 88.9961968690177
x14 = -86.9329917320107
x15 = -74.3666211176516
x16 = -5.25158273867613
x17 = 57.5802703331197
x18 = 95.2793821761973
x19 = -11.5347680458557
x20 = -49.2338798889332
x21 = -99.4993623463699
x22 = 26.1643437972218
x23 = -36.6675092745741
x24 = 70.1466409474789
x25 = 19.8811584900422
x26 = 45.0138997187606
x27 = 51.2970850259401
x28 = 82.7130115618381
x29 = 32.4475291044014
x30 = 1.03160256850346
x31 = 101.562567483377
x32 = -42.9506945817536
x33 = 76.4298262546585
x33 = 76.4298262546585