Question

Please help finish the sentence!
When a complex number z is written in its polar form, z=r(cos theta + i sin theta), the non-negative number r is called ______ of z.

Answer 1

If \(z=a+bi\) and \(r=\sqrt{a^2+b^2}\), then \(r=|z|\).

Starts with an "m"...

Answer 2

modulus?

Answer 3

Yes

Answer 4

Yay! Thank you!

Answer 5

You're welcome!