Question: In Problems 4556, write each expression in rectangular form x + yi and in exponential form r e i . 4 [3(cos + i sin-

In Problems 45–56, write each expression in rectangular form x + yi and in exponential form reiθ.4 [3(cos + i sin- 147) 4 9 9

4 [3(cos + i sin- 147) 4 9 9

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