Write the Product $$z _ { 1 } z _ { 2 }$$

question 83

Essay

Write the product $$z _ { 1 } z _ { 2 }$$ , and quotient $$z _ { 1 } / z _ { 2 }$$ , of $$z _ { 1 } = \frac { 2 } { 3 } \left( \cos 150 ^ { \circ } + i \sin 150 ^ { \circ } \right)$$ and $$z _ { 2 } = \frac { 1 } { 3 } \left( \cos 250 ^ { \circ } + i \sin 250 ^ { \circ } \right)$$ in polar form.

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