Original sum: Use the mathematical induction to prove: My problem: How do I convert to as required by the question. Help me, I am stuck here since yesterday.
Last edited by ssadi; Dec 15th 2008 at 03:34 AM.
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Originally Posted by ssadi My problem: How do I convert to It pays to know your trig formulas! Use these: Then . The second term in the numerator is by [1] by [2].
Originally Posted by Opalg It pays to know your trig formulas! Use these: Then . The second term in the numerator is by [1] by [2]. Where are they when I need them? Thanks a lot.
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