Simplify. \[ \begin{array}{c} i^{28} \\ i^{28}= \end{array} \] (Simplify your answer. Type your answer in the form \( a+b i \).)
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Step 1: Recall the powers of the imaginary unit \(i\): \[ i^1 = i \] \[ i^2 = -1 \] \[ i^3 = -i \] \[ i^4 = 1 \] Show more…
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