How do you find: cos^-1(i)

THANK YOU :D

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- Apr 1st 2013, 09:41 PMgokujoshInverse cosine of i
How do you find: cos^-1(i)

THANK YOU :D - Apr 1st 2013, 09:45 PMGusbobRe: Inverse cosine of i
The first thing I can think of is to use the power series of arccos.

- Apr 1st 2013, 11:41 PMProve ItRe: Inverse cosine of i
- Apr 2nd 2013, 12:01 AMgokujoshRe: Inverse cosine of i
Thank you, this was so confusing, but that makes sense now :D.