Exercises in Algebra (Including Trigonometry), With Answers
The book Exercises in Algebra (Including Trigonometry), With Answers was written by author Thomas Percy Nunn Here you can read free online of Exercises in Algebra (Including Trigonometry), With Answers book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Exercises in Algebra (Including Trigonometry), With Answers a good or bad book?
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n times AOA,) is the anticlockwise angle AOAg through which 0^^ must be rotated to bring p^ to the position P^. Then as before log SO- = log r(cos nO + i sin 6),> i ; •• = log r + log (cos nd + i sin nff) = log r + log (cos ^ + * sin 6)" — log r + n log (cos ^ + * sin 6). Pfdogx,) Pjlogx^) p, P2 ^* (log r,) Pig. 84. (log Hence the logarithms of all points on the line OP4 in fig. 83 must be represented in fig. 84 by points on a line Aj n times as far from OA as Aj is. We conclude, then, that if ...X = r(cos ^ + i sin ff) be any point in fig. 83 its logarithm may be represented by a point U + iV in fig. 84 such that U = log r while V is proportional to 0. § 2. Symbolic definition of log x. — This conclusion is ex- pressed symbolically in the form log X = log r(cos 6 -^ iwaO) = log r + ihO 1 This phrase is, of course, an abbreviation for "the logarithms of all values of x which are represented by points on OAi ". 208 ALGEBRA where h is some undetermined constant. It is most impor- tant to understand clearly what this statement means and what it does not mean.
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