JEE Mains 8-Apr-2023 Shift 2 Solved Paper
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Question : 17 of 90
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The value of 36 ( 4 cos 2 9 ∘ − 1 ) ( 4 cos 2 27 ∘ − 1 ) ( 4 cos 2 81 ∘ − 1 ) ( 4 cos 2 243 ∘ − 1 )
[8-Apr-2023 shift 2]
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