A Treatise of Plane Trigonometry, Vol. 1 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 (Classic Reprint)

Excerpt from A Treatise of Plane Trigonometry, Vol. 1: 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

Now it has been shown, (algebra, 233, that powers may be multiplied, by adding their exponents, and divided, by subtracting their exponents. In the same manner, roots may be multiplied and divided, by adding and subtracting their fractional exponents. (alg. 980, When these ex ponents are arranged in tables, and applied to the general purposes of calculation, they are called Logarithms.

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