Find Products of Complex Numbers in Polar Form
- A) $21 \left( \cos 42 ^ { \circ } + i \sin 42 ^ { \circ } \right)$

question 185

Multiple Choice

Find Products of Complex Numbers in Polar Form
- $$\begin{array} { l } \mathrm { z } 1 = 3 \left( \cos 34 ^ { \circ } + \mathrm { i } \sin 34 ^ { \circ } \right) \\\mathrm { z } 2 = 7 \left( \cos 8 ^ { \circ } + \mathrm { i } \sin 8 ^ { \circ } \right) \end{array}$$

• A) \(21 \left( \cos 42 ^ { \circ } + i \sin 42 ^ { \circ } \right)\)
• B) \(21 \left( \cos 26 ^ { \circ } + i \sin 26 ^ { \circ } \right)\)
• C) \(10 \left( \cos 42 ^ { \circ } + i \sin 42 ^ { \circ } \right)\)
• D) \(10 \left( \cos 272 ^ { \circ } + i \sin 272 ^ { \circ } \right)\)

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