question from yerstaday complex numbers.
Give me five minutes to write all formulas.

Question

question from yerstaday complex numbers.
Give me five minutes to write all formulas.

anonymous · Answer

Exercise ~~complex ~~number~~ z=(-1-j)^{4000} ~~solution ~~ z=(\sqrt{2}e ^{j5/4\pi})^{4000}

anonymous · Answer

$$Exercise ~~complex ~~number~~ z=(-1-j)^{4000} ~~solution ~~ z=(\sqrt{2}e ^{j5/4\pi})^{4000}$$

anonymous · Answer

My tentative:

anonymous · Answer

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anonymous · Answer

I calculate r

anonymous · Answer

Now I will do:

anonymous · Answer

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anonymous · Answer

$$c ^{2}=\sqrt{-1^{2}*-1^{2}}=\sqrt{2}$$

anonymous · Answer

now I will do:

anonymous · Answer

an ^{-1}(\frac{ -1 }{ -1 })=1

anonymous · Answer

$$\tan ^{-1}(\frac{ -1 }{ -1 })=1$$

anonymous · Answer

it is right ? how I can continue? I see the unit circle I now the I rumber but I dont understand how I can determinate the degree here in third qudarant.

undeadknight26 · Answer

Ummmm *out of his curriculum*
Ummmm @Compassionate @CaseyCarns @hba @Directrix Some buddy help.

anonymous · Answer

a ok I send a message to this persons?

michele_laino · Answer

please note that:
$$-1-i=\sqrt{2}e ^{i5 \pi/4}$$
since:
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