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KEAM 2014 Math Paper

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Question : 103 of 120
 
Marks: +1, -0
If 0<x<Ï€, then
sin‌8‌x+7‌sin‌6‌x+18‌sin‌4‌x+12‌sin‌2‌x
sin‌7‌x+6‌sin‌5‌x+12‌sin‌3‌x
=
Validate
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