## A Treatise of Plane Trigonometry: To which is Prefixed a Summary View of the Nature and Use of Logarithms : Being the Second Part of a Course of Mathematics, Adapted to the Method of Instruction in the American Colleges |

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### Common terms and phrases

ac AC acute angle added angle ACB arithmetical complement arithmetical progression b+sin calculation circle common logarithm compound interest cosecant cotangent decimal distance divided division divisor dollars equal to radius equation exponents extend find the angles find the logarithm finding the sine fourth fraction geometrical progression given angle given number given side Given the angle greater half the sum hypothenuse length less line of chords line of numbers lines of sines loga logarithmic sine multiplied Napier's natural number natural sines number of degrees opposite angles perpendicular positive proportion quadrant quotient radix rate of increase ratio right angled triangle rithms root secant similar triangles sine of 30 sines and cosines slider square subtracting tables tabular radius tabular sine tangent of half theorem triangle ABC trigonometry versed sine vulgar fraction