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The value of the expression (1+cot7^(@))(1+cot9^(@))(1+cot11^(@))......(1+cot45^(@))(1-cot52^(@))(1-cot54^(@))......(1-cot88^(@)) is equal to |
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Answer» `2^(18)` ` (1+cot45^(@))(2^(19))=(2^(19))=20^(20)` |
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