Tangent:1:a straight line or plane that touches a curve or curved surface at a
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The golden (or divine) ratio Given two quantities, when the ratio of the larger quantity to the smaller one is equal to the ratio of the sum of the quantities to the larger one, then
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1.66 : 1
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A tangent is a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point.
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