| Olinthus Gregory - Plane trigonometry - 1816 - 276 pages
...multiplied into twice the cosine of the common difference, and the sine of either extreme be deducted **from the product, the remainder will be the sine of the other extreme.** (B). The sine of any arc above 60°, is equal to the sine of another arc as much below 60°, together... | |
| Thomas Leybourn - Mathematics - 1819 - 430 pages
...multiplied by twice the cosine of the common difference, and the sine of either extreme subtracted **from the product, the remainder will be the sine of the other extreme.** Demonstration, Let AB, AC and AD he three arcs of the same circle, in arithmetical progression, arc... | |
| Thomas Simpson - Algebra - 1821 - 426 pages
...multiplied by twice the co-sine of the common difference, and the sine of either extreme be subtracted **from the product, the remainder will be the sine of the other extreme.** Theor. 2. Or, if the co-sine of the mean be multiplied by twice the sine of the common difference,... | |
| Thomas Keith - Navigation - 1826 - 504 pages
...by twice tie cosine of the common difference, and the sine of either of the extreme arcs be deducted **from the •product^ the remainder will be the sine of the other extreme** arc ¡ the radius being 1 . OP THE SINES, COSINES, TANGENTS, &C. OF THE MULTIPLES OF ARCS.* (H) Siae(A+)B... | |
| Olinthus Gregory - Mathematics - 1834 - 472 pages
...multiplied into twice the cosine of the common difference, and the sine of either extreme be deducted **from the product, the remainder will be the sine of the other extreme.** (в.) The sine of any arc above 60°, is equal to the sine of another arc as much below 60°, together... | |
| Thomas Keith - 1839 - 498 pages
...by twice the cosine of the common difference, and the sine of either of the extreme arcs be deducted **from the product, the remainder will be the sine of the other extreme** arc, the radius being 1. OF THE SINES, COSINES, TANGENTS, ETC. OF THE MULTIPLES OF ARCS. (261) Taking... | |
| Olinthus Gregory - 1863 - 482 pages
...multiplied into twice the cosine of the common difference, and the sine of either extreme be deducted **from the product, the remainder will be the sine of the other extreme.** (B.) The sine of any arc above 60°, is equal to the sine of ano.ther arc as much below 60°, together... | |
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