Our professor asks us to evaluate the following. So, i am assuming that he asks us to simplify the equation. Ive included my computation. I am quite stuck. I don't know if im simplifying or just complicating the problem..please help!me!(adsbygoogle = window.adsbygoogle || []).push({});

Ive used Euler formula..and then im stuck..

here's what i did

http://img100.imageshack.us/img100/3440/cci1001200800000co6.th.jpg [Broken]http://g.imageshack.us/thpix.php [Broken]

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# Homework Help: Simplifying complex numbers

Can you offer guidance or do you also need help?

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