| Charles Hutton - 1811 - 404 pages
...complement. Ex. 13. Prove that, in any plane triangle, the base is to the difference of the other two sides, as the sine of half the sum of the angles at the base, to the sine of half their difference : also, that the base is to the sum of the other two sides,... | |
| Charles Hutton - 1812 - 624 pages
...complement. Ex. 13. Prove that, in any plane triangle, the base is to the difference of the other two sides, as the sine of half the sum of the angles at the base, to the sine of half their difference : also, that the base is to the sum of the other two sides,... | |
| Andrew Bell - 1837 - 290 pages
...to the cosine of half their difference. 3. The base of a triangle is to the difference of its sides, as the sine of half the sum of the angles at the base to the sine of half their difference. 4. The base of a triangle is to the difference of its segments,... | |
| Nathan Scholfield - 1845 - 244 pages
...complement. Ex. 9. Prove that, in any plane triangle, the base is to the difference of the other two sides, as the sine of half the sum of . the angles at the base, to the sine of half their difference : also, that the base is to the sum of the other two sides... | |
| Nathan Scholfield - 1845 - 542 pages
...complement. Ex. 9. Prove that, in any plane triangle, the base is to the difference of the other two sides, as the sine of half the sum of the angles at the base, to the sine of half their difference : also-, that the base is to the sum of the other two sides... | |
| Scottish school-book assoc - 1845 - 444 pages
...their difference. Also, that the sum of the sides, is to the lifference of the segments of the base, as the sine of half the sum of the angles at the base, is to the sine of half :heir difference. APPLICATION OF PLANE TRIGONOMETRY TO THE MENSURATION... | |
| Euclides - 1860 - 288 pages
...the cosine of half their difference. 13. The base of a triangle is to the difference of its sides, as the sine of half the sum of the angles at the base to the sine of half their difference. 14. The base of a triangle is to the difference of its segments,... | |
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