# Math Help - complex numbers

1. ## complex numbers

hey guys! i have this weird question in my homework and i dont know how to go about it? could somebody help me please?

Q: write down the x+iy form for the complex numbers with the following modulus and argument (in radians):

a) modulus 1, argument π
b) modulus 3, argument -π/3
c) modulus 7, argument -4

thank you guys

2. Originally Posted by boomshine57th
hey guys! i have this weird question in my homework
Q: write down the x+iy form for the complex numbers with the following modulus and argument (in radians):
a) modulus 1, argument π
b) modulus 3, argument -π/3
c) modulus 7, argument -4
If $m=\mbox{modulus}\;\&\;\theta = \mbox{argument}$ then $m\cos(\theta)+i m \sin(\theta)$ is the rectanglar form.
Now go for it!