hi i need to simplify this Attachment 15247 but i don't know how to, can someone explain how to please?!

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- Feb 5th 2010, 11:13 AMandyboy179simplify
hi i need to simplify this Attachment 15247 but i don't know how to, can someone explain how to please?!

- Feb 5th 2010, 11:24 AMfelper

Then:

- Feb 5th 2010, 11:27 AMe^(i*pi)
- Feb 5th 2010, 11:28 AMandyboy179
- Feb 5th 2010, 11:31 AMfelper