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Statement-1: sin10^(@)+sin120^(@)+....+s...

Statement-1: `sin10^(@)+sin120^(@)+....+sin350^(@)=0`
Statement-2: `sin alpha+sin (alpha+beta)+....+sin(alpha+(n-1)beta)=(sin(alpha+((n-1)beta)/(2))sin((nbeta)/(2)))/(sin((beta)/(2))), beta ne 2npi.`

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Statement-1: cos10^(@)+cos20^(@)+…..+cos170^(@)=0 Statement-2: cos alpha+cos(alpha+beta)+....+cos(alpha+(n-1)beta)=(cos(alpha+((n-1)beta)/(2))sin((nbeta)/(2)))/(sin((beta)/(2))), beta ne 2npi.

Statement-1: cos10^(@)+cos20^(@)+…..+cos170^(@)=0 Statement-2: cos alpha+cos(alpha+beta)+....+cos(alpha+(n-1)beta)=(cos(alpha+((n-1)beta)/(2))sin((nbeta)/(2)))/(sin((beta)/(2))), beta ne 2npi.

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