Trigonometry and Double Algebra

arcual units arithmetic axes axis calculation called CHAPTER connexion cosecant cosine cosine and sine cosp cotangent cote denote diminishes without limit direction divide double algebra equal equation expressed factors formulæ fraction geometry given gives Hence instance integer inverse inverse functions INVERSE TRIGONOMETRICAL FUNCTIONS length loga logarithms logometer logr magnitude meaning multiplication negative quantities notion nth roots operation ordinary algebra positive or negative preceding projections radius rectangle result revolution revolving line right angle roots of unity S₁ scalar function side significant sin0 sin² sin²0 sin³0 sine sines and cosines single algebra sino cose sinp square root student symbolic algebra tan¹ tangent tano theorem triangle trigonometrical functions twelfth root unit line unit-line unity whence