EAMCET Engineering 2009 Solved Paper

Section: Mathematics

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Question : 104 of 160

Marks: +1, -0

cos‌A‌cos‌2‌A‌cos‌4‌A...cos‌2n−1‌A equals

‌
sin‌2nA
2nsin‌A
‌
2nsin‌2nA
sin‌A
‌
2nsin‌A
sin‌2nA
‌
sin‌A
2nsin‌2nA

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