El profesor se sorprenderá mucho al ver tu solución correcta😉
/-x \ ___ 2*sin|---| = \/ 2 \ 3 /
Dividamos ambos miembros de la ecuación en -2
-3*pi x1 = ----- 4
15*pi x2 = ----- 4
x2 = 15*pi/4
suma
3*pi 15*pi - ---- + ----- 4 4
=
3*pi
producto
-3*pi 15*pi -----*----- 4 4
=
2 -45*pi ------- 16
-45*pi^2/16
x1 = -473.595092528661
x2 = -101.316363078271
x3 = -96.6039740978861
x4 = -44.7676953136546
x5 = 11.7809724509617
x6 = -1703.52861640907
x7 = -134.303085940964
x8 = 1142.75432774329
x9 = -58.9048622548086
x10 = 30.6305283725005
x11 = 256.825199430966
x12 = -82.4668071567321
x13 = 73.0420291959627
x14 = -77.7544181763474
x15 = 68.329640215578
x16 = 16.4933614313464
x17 = 35.3429173528852
x18 = -2.35619449019234
x19 = -21.2057504117311
x20 = -7.06858347057703
x21 = 49.4800842940392
x22 = -25.9181393921158
x23 = 539.568538254047
x24 = 2179.47990342792
x25 = -40.0553063332699
x26 = -63.6172512351933
x27 = -3305.74086973986
x28 = 54.1924732744239
x29 = 91.8915851175014
x30 = 13376.1161208219
x31 = 87.1791961371168
x31 = 87.1791961371168