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Math Help - simplify

  1. #1
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    simplify

    simplify

    \frac{\tan1}{cos2}+\frac{\tan2}{cos4}+\frac{\tan4}  {cos8}+.......\frac{\tan128}{cos256}
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  2. #2
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    Re: simplify

    Solution:-
    (tan1/cos2)+(tan2/cos4)+...............+(tan128/cos256)
    we can write it ? n=1 to 128 (tan n/cos 2n)
    there for ? n=1 to 128 (tan n/cos 2n)=504.05
    Thanks from topsquark
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