## Trigonometry and Double Algebra |

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arcual units arithmetic axis calculation called chapter cloth combination connexion cos² cos²0 cose cosec cosp cotangent denote diminishes without limit direction divide double algebra Edition equal equation expressed factors Fcap formulæ geometry given gives Hence instance integer inverse inverse functions length logarithms logometer logr magnitude meaning multiplication negative quantity notion nth roots opposite ordinary algebra peculiar symbols perpendicular positive or negative projections radius rectangle result revolution right angle roots of unity rules of operation S₁ side sin0 sin² sin²0 sin³0 sine sines and cosines single algebra sino square root student supposed symbolic algebra symbolic calculus tables tan¹ tangent theorem triangle trigonometrical functions trigonometrical tables twelfth root unit line unit-line unity whence

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