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11. Find the number of geometric means inserted between 1 and 243 in which the ratio of the first mean to the last mean is 1:27.
Wednesday, January 10, 2018
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L.H.S. = 1 / cos(2a) + sin(2a) / cos(2a) = (1 + sin(2a)) / (cos(2a)) = (sin^2(a) + cos^2(a) + 2 * sin(a) * cos(a)) / (cos^2(a) - sin^...
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