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Topic: sum of absolute sine
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Bak, ahmad

Posts: 3
Registered: 10/7/10
sum of absolute sine
Posted: Oct 8, 2010 4:28 AM
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please if some one can help me to find the summation
|y*sin(x)|+|(y^2)*sin(2x)|+...+|(y^m)*sin(mx)|
and thanks for reading



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