**Problem : **
Convert the complex number
1 + ı
to polar form.

**Problem : **
Convert the complex number
[cos() + ısin()]
to standard form.

**Problem : **
What is
3[cos() + ısin()]
divided by
2[cos() + ısin()]
? Write the answer in
standard form.

**Problem : **
What is
( + ı)^{7}
?

= 2

= 128[ - ı]

= 64 -64ı .

**Problem : **
What are the
4
th roots of
3
?

= [1 + 0ı]

= .

= [0 + 1ı] = ı .

= [- 1 + 0ı]

= - .

= - ı .