Complex Numbers in Polar Form - Products, Quotients, and Converting

4(cos 210°+ isin 210°)

Convert to Polar Form: -2√3 - 2i

2(cos 90°+ isin 90°)

Convert to Polar Form: 2i

4.65+1.79i

Divide 10 (cos 28° + isin 28°) ÷ 2(cos 7°+isin 7°). Express in rectangular form.

-8 - 8√3i

Find 2(cos 60° + isin 60°)⁴. Express in rectangular form.

2i

Find 8(cos 270° + isin 270°)¹/³ using DeMoivre's Theorem. Express your answer in rectangular form.

5.7 - 8.2i

Multiply 5(cos 300°+isin 300°) x 2(cos 5°+isin 5°). Express in rectangular form.

5 + 5i

Simplify (2-i)(1+3i)

-3+i

Simplify (4+2i)/(-1-i)

4(cos 90°+ isin 90°)

Simplify and Convert to Polar Form: (4 + 2i) + (-4 + 2i)

√32(cos 45° + isin45°)

Simplify and Convert to Polar Form: (6 - i) - (2 - 5i)