√ 8 + x = 2 √ 1 + x 8 = 2 1 + x 8 1/3 = = 2 ∑ 1/3 n x 8 n


Derivata av sinx och cosx. - Learnify

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= sin x. cos x. cos2 x ·. cos2 ³. x · 1 − sin2 x. cos2 cos x sin x. ´ = cos 2.

2 tan x.


D(xsinx)=1 sinx+x cosx=sinx+xcosx. D(xlnx−x)=1 lnx+x x1−1=lnx+1−1=lnx. Dtanx=Dsinxcosx=(cosx)2cosx  x = 1 + 2 k eller x = 7 / + 27 k. Ck's-k).

TrIgonomeTrI och grafer

Período = 2π. Cambio vertical (traducción) = 1  cos2(x) et sin2(x) – Démonstration.

2 cos x

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2. , cos 3x = cos π. 6 . Ex 2.

Cos(pi-x)= 3. Cos((pi/2)-x). 1.
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