1 Answer

Investigator · Answer 1 · 2018-06-25T17:38:26+0000

The complex number is
-3i
There is no real number
a = 0
b = -3
The value of r is
√(0² + (-3)²) = 3

The trigonometric form of the comoplex number is
y = 3 cos θ
and
x = 0

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