A treatise on plane and spherical trigonometry; with an intr., explaining the nature and use of logarithms1810 |
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A Treatise on Plane and Spherical Trigonometry: With an Introduction ... Samuel Vince Vista de fragmentos - 1810 |
Términos y frases comunes
AB+AC AB~AC altitude ambiguity angle opposite arithmetic complement base celestial equator circle column common logarithms comp computation cosecant cosine cotangent cyphers decimal dicular different affections divide ecliptic equal equation expressed find the angles find the logarithm fourth proportional fourth term given logarithm given number greater than 90 hence hypothenuse latitude less than 90 Let ABC loga multiply natural numbers negative index opposite angle perpen perpendicular plane triangles pole positive PROP quadrant quantity quotient r²x radius right ascension right-angled spherical triangle right-angled triangle rithm RULE secant significant figure similar triangles sine and cosine sphere Tables tangent third terms triangle ABC true logarithm true value unity versed-sine whole numbers