Formulas, addition and subtraction, 83. derivation of, for differences, 84, 89. for sums, 84, 89. for expansion of sin ne and cos no, 143. for exponential values of sin 0, cos 0, and tan 0, 145. for powers of trigonometric functions, 146. for products to sums, 97. for sums to products, 94. Functions, changes in value of, 74. Functions, multiple-valued, 78. of angles greater than 90°, 66. of half angles, 92. periodic, 74. principal value of, 78. LOGARITHMIC AND TRIGONOMETRIC TABLES WITH EXPLANATORY CHAPTER ARRANGED BY CLAUDE IRWIN PALMER AND CHARLES WILBER LEIGH ASSOCIATE PROFESSORS OF MATHEMATICS, ARMOUR INSTITUTE OF TECHNOLOGY FIRST EDITION TENTH IMPRESSION MCGRAW-HILL BOOK COMPANY, INC. NEW YORK: 370 SEVENTH AVENUE 11. To find the mantissa of the logarithm of a number. 12. Rules for finding the mantissa.. 13. Finding the logarithm of a number. . . . 14. To find the number corresponding to a logarithm. 15. Rules for finding the number corresponding to a logarithm. 16. To multiply by means of logarithms. 17. To divide by means of logarithms. 18. Cologarithms... 19. To find the power of a number by means of logarithms. 20. To find the root of a number by means of logarithms. 3 3 4 6 7 7 8 9 10 10 12 13 13 14 14 15 27. To find logarithmic function of an acute angle. 28. To find the acute angle corresponding to a logarithmic function.. 29. Angles near 0° and 90°. ... 16 19 20 21 22 23 24 |