Complex summations
ri have reduced a series down to C+iS with a common ratio of -0.5e^ix and 1st term 0.5e^ix.
i have got the infinite summing done, so that S=2sinx/(5+4cosx)
can anyone sum it for the sum to n as i got stuck therre
i have got the infinite summing done, so that S=2sinx/(5+4cosx)
can anyone sum it for the sum to n as i got stuck therre
(edited 10 years ago)
Could you possibly post the full the question? 
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