if xi>0 for 1<=i<=n and

x1+x2+x3+x4 -------xn=n

then greatest value of sin x1+sinx2+sinx3+----sin xn=

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- December 2nd 2010, 09:01 AMayushdadhwalmaximum(modified)
if xi>0 for 1<=i<=n and

x1+x2+x3+x4 -------xn=n

then greatest value of sin x1+sinx2+sinx3+----sin xn= - December 9th 2010, 09:50 AMOpalg