Thread:Tuner King 5/@comment-28838092-20140809113652/@comment-24808864-20140809202723

To find the value of $$ i^n $$,

1) Find the remainder when you divide $$ n $$ by four

2) Call that remainder of that division problem $$ k $$

3) The value of $$ i^n=i^k $$ so you only really need to know the first four powers zero, one, two and three.