Can somebody show me how to finish this one off? I know that the answer is and , but I don't know how to lay this out. Here is what I have: Not sure how to solve this algebraically. Thanks.
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Think about solving this Now, if we restrict the solutions to the unit circle, we have Now, test point to the left and right of those numbers.
Originally Posted by dwsmith Think about solving this This is a good thought. It may be easier to see where dwsmith found he's solution from by the following
Last edited by pickslides; Jan 13th 2011 at 04:37 PM. Reason: bad latex..
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