======T12======
Vypočítejte n-tou derivaci funkcí:
  * [[wa>table d^n/dx^n cos(x) for n = 1 ... 4 ]]
=====153.=====
\( f (x) = \frac{1}{1 - x} \)
[[wa> derivative 1 / (1 - x) ]]
[[wa> d^n/dx^n   1 / (1 - x) ]]

=====154.=====
\( f (x) = \cos x \)
[[wa> derivative cos x]]
[[wa> d^n/dx^n   cos x]]

=====155.=====
\( f (x) = \sin^2 x \)
[[wa> derivative sin^2 x]]
[[wa> d^n/dx^n   sin^2 x]]

=====156.=====
\( f (x) = e^x \sin x \)
[[wa> derivative e^x sin x]]
[[wa> d^n/dx^n   e^x sin x]]