Question

What is the trigonometric form of `2+4i`?

Answer 1

`sqrt(20)` (cos63.43+sin63.43)

Explanation:

find r which is equal to `sqrt(20)` now the angle phi is equal to tan(y/x) from there q come 63.43 degree now the final will be `sqrt(20)` (cos63.43+sin63.43)