prove that :- cot x . cot 2x – cot 2x . cot 3 x – cot 3x . cot x = 1
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prove that :- cot x . cot 2x – cot 2x . cot 3 x – cot 3x . cot x = 1
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Mathematics
10 months
2021-07-19T03:42:24+00:00
2021-07-19T03:42:24+00:00 1 Answers
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