KCET 2012 Math Solved Paper
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Question : 9 of 60
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if c o s α + 2 c o s β + 3 c o s γ = 0 , s i n α + 2 s i n β + 3 s i n γ = 0 α + β + γ = π
s i n 3 α + 8 s i n 3 β + 27 s i n 3 γ =
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