El profesor se sorprenderá mucho al ver tu solución correcta😉
/x pi\ cos|- - --| = 1/2 \3 4 /
-pi x1 = ---- 4
7*pi x2 = ---- 4
x2 = 7*pi/4
suma
pi 7*pi - -- + ---- 4 4
=
3*pi ---- 2
producto
-pi 7*pi ----*---- 4 4
=
2 -7*pi ------ 16
-7*pi^2/16
x1 = -1339.10386859265
x2 = -88.7499924639117
x3 = 93.4623814442964
x4 = 55.7632696012188
x5 = 118.595122673015
x6 = -597.688002345458
x7 = 36.9137136796801
x8 = -76.1836218495525
x9 = 608.683576633022
x10 = -220.696883914683
x11 = 99.7455667514759
x12 = 432.754388031994
x13 = 80.8960108299372
x14 = 74.6128255227576
x15 = 62.0464549083984
x16 = -57.3340659280137
x17 = -0.785398163397448
x18 = 43.1968989868597
x19 = -69.9004365423729
x20 = 307.090681888402
x21 = -51.0508806208341
x22 = 18.0641577581413
x23 = -95.0331777710912
x24 = 5.49778714378214
x25 = -19.6349540849362
x26 = 24.3473430653209
x27 = -32.2013246992954
x28 = -208.130513300324
x29 = -13.3517687777566
x30 = -38.484510006475
x30 = -38.484510006475