El profesor se sorprenderá mucho al ver tu solución correcta😉
3*cos(x) + 3*sin(x) + sin(3*x) - cos(3*x) = 0
x1 = 62.0464110536672
x2 = -63.6172838902111
x3 = 93.4624024066872
x4 = -25.9181568861718
x5 = 90.3207707398674
x6 = -76.1835698664423
x7 = -35.3429688073021
x8 = 11.7810322376246
x9 = -85.6084344645082
x10 = -47.9093042174714
x11 = -54.1924192952939
x12 = 18.0641403160085
x13 = 46.3384693024741
x14 = 84.0375911982035
x15 = -32.2012687550561
x16 = 40.0552900304625
x17 = 68.3296200092085
x18 = -3.9270086787135
x19 = -101.316359251726
x20 = -41.6261332952518
x21 = 2.35616795888185
x22 = -79.3251885310996
x23 = 49.4801383701868
x24 = -91.8915953921888
x25 = -57.3340488881715
x26 = -69.9004504784035
x27 = 24.3473186192093
x28 = 62.0464403669753
x29 = -10.2101182444622
x30 = 71.4712700200551
x31 = -98.1747204699107
x32 = -19.6349826790783
x32 = -19.6349826790783