 | James Hamblin Smith - 1870 - 286 pàgines
...соs A . sin В, cos (A — В) = cos A . cos В + sin A . sin В; by means of which we can express the sine and cosine of the sum or difference of two angles in terms of the sines and cosines of the angles themselves. The diagrams which we shall employ are... | |
 | John Perry - 1900 - 130 pàgines
...complementary and supplementary angles. The fundamental relations, such as sin '6 + cos *9 = 1. The fundamental formulae for the sine and cosine of the sum or difference of two angles, that is — sin (A + B) = sin A . cos B + cos A . sin B and the other similar ones. Formulae derived... | |
 | British Association for the Advancement of Science. Meeting - 1902 - 164 pàgines
...6 + cos" 6 — i. Calculating the values of sin x, cos x, & and log x using series. The fundamental formulae for the sine and cosine of the sum or difference of two angles, that is sin (A + B) = sin A cos B + cos A sin B. -, and the others. Formulae derived from the above,... | |
 | 1902 - 146 pàgines
...6 + cos" 6 = i. Calculating the values of sin x, cos x, ex and log x using series. The fundamental formulae for the sine and cosine of the sum or difference of two angles, that is and the others. Formulae derived from the above, such as those for the sum and difference of... | |
 | Martin Cockett, Graham Doggett - 2003 - 196 pàgines
...values of 8 Important Identities Involving Trigonometric Functions The Addition Formulae Expressions for the sine and cosine of the sum or difference of two angles are given by the following formulae: sin (A±B)= sin A cos B ± sin 5cos A (2.29) cos (A±B) = cos... | |
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Calculating the values of sin x, cos x, & and log x using series. The fundamental formulae for the sine and cosine of the sum or difference of two angles, that is sin (A + B) = sin A cos B + cos A sin B. -, and the others. Formulae derived from the above,... 