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Answer fast please........... |
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Answer» LET TAKE that THETHA = A 2cos²A+(2/1+cot²A) = 2cos²A+(2/cosec²A) = 2cos²A+(2×1/cosec²A) = 2cos²A+2sin²A = 2(cos²A+sin²A) = 2(1) = 2 |
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