1. For each complex number given, find the modulus and argument and wirte each number in polar form.

a
2 + 2i
b
1 + √3 i
c
-5 + 5i
d
-3 − 4i
e
-3i
f
-1
g
4i
h
5 − 12i
i
-6 − 5i

2. Write each of the complex numbers in rectangular form

a
2cis 
b
3cis π
c
10cis ()
d
cis 49°
e
√3 cis 30°
f
0.5 cis(-60°)