SOLUTION: how would you go about solving "i" to the 91st power getting either a positive or negative "i"

SOLUTION: how would you go about solving "i" to the 91st power getting either a positive or negative "i"

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Question 3340: how would you go about solving "i" to the 91st power getting either a positive or negative "i"
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
i as in ?
i repeats itself over 4 powers:

i =
= -1
= -i
= 1

then = i etc

so figure out where comes in this cycle and that is your answer
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