We can immediately write:

`2.50e^(3.84j) = 2.50\ /_ \ 3.84` [polar form, θ in radians]

OR, if you prefer, since `3.84\ "radians" = 220^@`,

`2.50e^(3.84j) ` `= 2.50(cos\ 220^@ + j\ sin\ 220^@)` [polar form, θ in degrees]

And, using this result, we can multiply the right hand side to give:

`2.50(cos\ 220^@ + j\ sin\ 220^@)` ` = -1.92 -1.61j`

Summary

Our complex number can be written in the following equivalent forms:

`2.50e^(3.84j)` [exponential form]

` 2.50\ /_ \ 3.84` `=2.50(cos\ 220^@ + j\ sin\ 220^@)` [polar form]

`-1.92 -1.61j` [rectangular form]

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