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Tan2A=cot(A-18°) where 2A is acute angle |
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Answer» Its similiar to ex 8.2 question 5 of trigonometry I think what I have written its difficult to understand Cot (90- 2A) = cot (A- 18) = 90-2A = A - 18 = 90 +18 = A + 2A =. 108 = 3A = A = 36 |
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