How do you add $(-1-3i)+(-1+5i)$ in trigonometric form?

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Answer 1 · 2018-03-27T22:29:28

Complex numbers in the form

$r(costheta+isintheta)$

cannot be directly added together.

The correct way to add two complex numbers is to convert them to rectangular form and do componentwise addition.

How do you add (-1-3i)+(-1+5i)(-1-3i)+(-1+5i) in trigonometric form?