K
karakoos23
Guest
Bok
Se bilo tko može dokaz ∫ cos x dx = sin x C?
Thanks in advance
Se bilo tko može dokaz ∫ cos x dx = sin x C?
Thanks in advance
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B
bunalmis
Guest
2Cos (x) = e ^ JX e ^-JX
2jSin (x) = e ^ JX-e ^-JX
∫ cos x dx = 1 / 2 ∫ e ^ JX dx 1 / 2 ∫ e ^-JX dx = e ^ 1/2j JX - 1/2j e ^-JX C = sin (x) CAdded after 1 hours 52 minutes:∫ cos x dx = sin (x) C
d / dx (sin (x) C) =?
d / dx sin (x) dx = lim -> 0 (1/dx) (sin (x dx) - sin (x)) dx = lim -> 0 (sin (x) cos (dx) Grijeh (dx) cos (x) - sin (x)) / dx
Lim DX -> 0 sin (x) cos (dx) / dx - sin (x) / dx = 0
Lim DX -> 0 Sin (DX) cos (x) / dx = cos (x)
d / dx sin (x) = cos (x)
2jSin (x) = e ^ JX-e ^-JX
∫ cos x dx = 1 / 2 ∫ e ^ JX dx 1 / 2 ∫ e ^-JX dx = e ^ 1/2j JX - 1/2j e ^-JX C = sin (x) CAdded after 1 hours 52 minutes:∫ cos x dx = sin (x) C
d / dx (sin (x) C) =?
d / dx sin (x) dx = lim -> 0 (1/dx) (sin (x dx) - sin (x)) dx = lim -> 0 (sin (x) cos (dx) Grijeh (dx) cos (x) - sin (x)) / dx
Lim DX -> 0 sin (x) cos (dx) / dx - sin (x) / dx = 0
Lim DX -> 0 Sin (DX) cos (x) / dx = cos (x)
d / dx sin (x) = cos (x)
K
karakoos23
Guest
Hi bunalmis
Možete li molim recite mene što naslov udžbenika u kojem se mogu naći taj analiza cosinus?
To bi bilo mnogo poštovati
Možete li molim recite mene što naslov udžbenika u kojem se mogu naći taj analiza cosinus?
To bi bilo mnogo poštovati
F
free1965tv
Guest
WowDodano nakon 39 sekundi:bunalmis wrote:
2Cos (x) = e ^ JX e ^-JX2jSin (x) = e ^ JX-e ^-JX∫ cos x dx = 1 / 2 ∫ e ^ JX dx 1 / 2 ∫ e ^-JX dx = e ^ 1/2j JX - 1/2j e ^-JX C = sin (x) C
Added after 1 hours 52 minutes:
∫ cos x dx = sin (x) Cd / dx (sin (x) C) =?d / dx sin (x) dx = lim -> 0 (1/dx) (sin (x dx) - sin (x)) dx = lim -> 0 (sin (x) cos (dx) Grijeh (dx) cos (x) - sin (x)) / dxLim DX -> 0 sin (x) cos (dx) / dx - sin (x) / dx = 0Lim DX -> 0 Sin (DX) cos (x) / dx = cos (x)d / dx sin (x) = cos (x)
2Cos (x) = e ^ JX e ^-JX2jSin (x) = e ^ JX-e ^-JX∫ cos x dx = 1 / 2 ∫ e ^ JX dx 1 / 2 ∫ e ^-JX dx = e ^ 1/2j JX - 1/2j e ^-JX C = sin (x) C
Added after 1 hours 52 minutes:
∫ cos x dx = sin (x) Cd / dx (sin (x) C) =?d / dx sin (x) dx = lim -> 0 (1/dx) (sin (x dx) - sin (x)) dx = lim -> 0 (sin (x) cos (dx) Grijeh (dx) cos (x) - sin (x)) / dxLim DX -> 0 sin (x) cos (dx) / dx - sin (x) / dx = 0Lim DX -> 0 Sin (DX) cos (x) / dx = cos (x)d / dx sin (x) = cos (x)