calculate (write the results is Cartesian form)

[fryxjer]

Calculate (write the results is Cartesian form)
a)\(\displaystyle{ \frac{(1+i)^{17}}{(3-3i)^{8}i^{63}}}\)

b)\(\displaystyle{ (sin\frac{\pi}{12}-icos\frac{\pi}{12})^{18}}\)

c)\(\displaystyle{ \sqrt[4]{-1}}\)

[miodzio1988]

1) wzor de Moivre'a
2) wzor de Moivre'a
3)To samo tylko dla pierwiastkow. Bylo niedawno