El profesor se sorprenderá mucho al ver tu solución correcta😉
2 199 cos (2*pi*50*t) = --- 200
cos100*pi*t = sqrt(398)/20
cos100*pi*t = sqrt398/20
cos100*pi*t = -sqrt(398)/20
cos100*pi*t = -sqrt398/20
/ _____ \ |-\/ 398 | - acos|---------| + 2*pi \ 20 / t1 = ------------------------ 100*pi
/ _____\ |\/ 398 | - acos|-------| + 2*pi \ 20 / t2 = ---------------------- 100*pi
/ _____ \ |-\/ 398 | acos|---------| \ 20 / t3 = --------------- 100*pi
/ _____\ |\/ 398 | acos|-------| \ 20 / t4 = ------------- 100*pi
t4 = acos(sqrt(398)/20)/(100*pi)
suma
/ _____ \ / _____\ / _____ \ / _____\ |-\/ 398 | |\/ 398 | |-\/ 398 | |\/ 398 | - acos|---------| + 2*pi - acos|-------| + 2*pi acos|---------| acos|-------| \ 20 / \ 20 / \ 20 / \ 20 / ------------------------ + ---------------------- + --------------- + ------------- 100*pi 100*pi 100*pi 100*pi
=
/ _____ \ / _____\ / _____ \ / _____\ |-\/ 398 | |\/ 398 | |-\/ 398 | |\/ 398 | - acos|---------| + 2*pi - acos|-------| + 2*pi acos|---------| acos|-------| \ 20 / \ 20 / \ 20 / \ 20 / ------------------------ + ---------------------- + --------------- + ------------- 100*pi 100*pi 100*pi 100*pi
producto
/ _____ \ / _____\ / _____ \ / _____\ |-\/ 398 | |\/ 398 | |-\/ 398 | |\/ 398 | - acos|---------| + 2*pi - acos|-------| + 2*pi acos|---------| acos|-------| \ 20 / \ 20 / \ 20 / \ 20 / ------------------------*----------------------*---------------*------------- 100*pi 100*pi 100*pi 100*pi
=
/ / _____ \ \ / / _____\ \ / _____ \ / _____\ | |-\/ 398 | | | |\/ 398 | | |-\/ 398 | |\/ 398 | |- acos|---------| + 2*pi|*|- acos|-------| + 2*pi|*acos|---------|*acos|-------| \ \ 20 / / \ \ 20 / / \ 20 / \ 20 / --------------------------------------------------------------------------------- 4 100000000*pi
(-acos(-sqrt(398)/20) + 2*pi)*(-acos(sqrt(398)/20) + 2*pi)*acos(-sqrt(398)/20)*acos(sqrt(398)/20)/(100000000*pi^4)
t1 = 0.0102252670682221
t2 = 0.0197747329317779
t3 = 0.00977473293177794
t4 = 0.000225267068222061
t4 = 0.000225267068222061