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oscar david simon cruz
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lDescripción completa
C 1 sen(wt+θ) η) η
θ
C 2 cos(wt+ C 3 cos(wt)+C 4 sen(wt)
−10cos(wt)+4sen(wt) = Acos(wt+θ)
A > 0 ; −180 < θ < 180 200cos(5t +130 ) = F cos5t + Gsen5t A, θ F G t 0 < t < 1 i(t) = 5cos10t − 3sen10t = 0 10cos100πt > 12sen100πt t = 0 t = 10
f (t) = g(t) = 5 5coswt − 15senwt f (t)
−50coswt − 30senwt
g(t)
Asenx + Bcosx =
√
A2 + B 2 cos(x + tanh −AB )
f (t)
f (t) =
2 −51 + (−302 )cos(wt tanh −3050 )
g(t)
f (t) =
f (t) = 58.31cos(wt + 149.04 )
552 + (−152 )cos(wt tanh 15 ) 50
g(t) = 57.01cos(wt + 15.255 )
L(di/dt) + Ri = V m coswt (4)
θ) A
θ
(3) i(t) = Acos(wt −
cos(α + β ) = cos(α)cos(β ) + sen(α)sen(β )
d(u+v ) dt
=
d(senu) dt d(cosu) dt
d(u)
+
dt
d(v ) dt
(u) = cosu ddt
(u) = −senu ddt
Acosθcoswt + Asenθsenwt = Acos(wt − θ)
−wLAcosθsenwt + wLAsenθcoswt + RAcosθcoswt + RAsenθsenwt = V coswt m
cos2 θ (−wLAcosθsenwt + wLAsenθcoswt + RAcosθcoswt + RAsenθsenwt = V mcoswt)2 /cos2 θ
A2 (w2 L2 + R2 ) = V m2
A = √ w V L
m
2
2
+R2
V m cos(wt + θ) t = 21.15ms V m w
θ
−33sen(8t − 9 ) 12cos(8t − 1 ) 15cos(1000t+66 ) −2cos(1000t+450 ) cos(t − 90 ) sent cos(t − 90 )
sen(t − 13 )
6cos(2π60t − 9 ) −6cos(2π60t + 9 ) sent 7000cos(t − π) 9cos(t − 3.14 )
cos(t − 100 )
−cos(t − 100 ) −sent
V m cos(wt + θ)
v (t) = V 1 coswt − V 2 senwt
η1 sen θi = η 1 sen θr = η2 sen θt ,
sen α = sen(α + 90).
V m
θ
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