Answer:
- 9.539 + 15.265i
Explanation:
express the complex number in trigonometric form, that is
= | |(cosΘ + isinΘ)
= 18(cos122° + isin122°)
= - 9.539 + 15.265i
z = -9.538546756+ 15.26486573i
z = |z| cos theta + |z| i sin theta
We know |z| and theta
z = 18 cos 122 +18i sin 122
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