| John Harris - 1706 - 298 σελίδες
...the Angle gad (ie the Tangent of - Difference of oppofite Angles.) Bat the Segments of the D 3 Legs Legs of any Triangle cut by Lines Parallel to the Bafe being Proportional, eb. ea :: cet. dg ; That is jn V: -'6 words, Half the Sam of the Legs is f* half their... | |
| Philip Ronayne - 1717 - 478 σελίδες
...Right-angled, if В F be made Radius, AF will be the Tangent of Z_ А В F (г. е. the Tangent of half the Sum of the oppofite Angles.) But the Segments of the Legs...Triangle cut by Lines Parallel to the Bafe being ("by 2. 6. Eucl. El.) proportional ; E С --ЕВ >; FA - FG; that is in Words, half the Sum of the Legs,... | |
| William Hawney - 1725 - 504 σελίδες
...of the oppofite Angles vJ and in the little Triangle £ * d, gd will be the Tangent of the Angle gad (ie the Tangent of half the difference of the oppofite...any Triangle cut by Lines parallel to the Bafe being proportional, eb ; ea : : cd : ' : That is in words, half the fum of the Legs, is to D 2 half half... | |
| Philip Ronayne - 1738 - 458 σελίδες
...the Sum of the oppoiite Angles); and in the little Д GBF, FG will be the Tangent of the L GBF (ze the Tangent of half the Difference of the oppofite...by Lines parallel to the Bafe, being ( by Schol. to 2. 6 End. El. ) proportional ; E С » EB : : FA •• FG 5 that is in Words, half the Sum of the... | |
| John Hamilton Moore - 1791 - 578 σελίδες
...the little Triangle GBF, GF will be the Tangent of the Angle GBF, (that is, the Tangent of hal^the Difference of the oppofite Angles:) but the Segments...Triangle cut by Lines parallel to the Bafe being (by Eucl. 2. 6.) proportional as E С : С В :: FA : FG, »hat is, half the Sum of the Legs is to half... | |
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