Mathematics: Compiled from the Best Authors and Intended to be the Text-book of the Course of Private Lectures on These Sciences in the University at Cambridge, Τόμος 2Printed at the University Press, by WilliamHilliard, 1801 |
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Αποτελέσματα 1 - 5 από τα 38.
Σελίδα 20
... diff . of sides < C + < B AB So tang . 2 4C - 4B To tang . 2 71 ° 20 ′ 10 * 4712979 44 16 9'9888903 Their sum 115 36 ZC Their diff . 27 04 B Then , As sine 4C115 ° 36 ′ or 64 ° 24 ′ 9'9551259 To sine ZA 37 20 9 * 7827958 So side AB 345 ...
... diff . of sides < C + < B AB So tang . 2 4C - 4B To tang . 2 71 ° 20 ′ 10 * 4712979 44 16 9'9888903 Their sum 115 36 ZC Their diff . 27 04 B Then , As sine 4C115 ° 36 ′ or 64 ° 24 ′ 9'9551259 To sine ZA 37 20 9 * 7827958 So side AB 345 ...
Σελίδα 75
... Diff . 4 D с G J E 64 7854 64 31416 47124 50 2656 answer 2. The 2 * DEMONSTRATION . The area of the circle ATEBA = AB1 × · 7854 , and the area of the small circle GFD is = GD ' X7854 ; therefore the area of the ring AB1 × 7854 — GD2 ...
... Diff . 4 D с G J E 64 7854 64 31416 47124 50 2656 answer 2. The 2 * DEMONSTRATION . The area of the circle ATEBA = AB1 × · 7854 , and the area of the small circle GFD is = GD ' X7854 ; therefore the area of the ring AB1 × 7854 — GD2 ...
Σελίδα 83
... diff . 784 3 192 ) 8 6272 ( 3232 ans . 576 512 384 128 2. What 1 L 2 But because y = px , therefore xxx = } xy = area of the parabola , and is the same as the rule . COR . Every parabola is = of its circumscribing parallelogram ...
... diff . 784 3 192 ) 8 6272 ( 3232 ans . 576 512 384 128 2. What 1 L 2 But because y = px , therefore xxx = } xy = area of the parabola , and is the same as the rule . COR . Every parabola is = of its circumscribing parallelogram ...
Σελίδα 139
... Diff . 280 square feet . Amount 18 guineas . 2. An elm plank is 14 feet 3 inches long , and it is de- sired , that just a square yard may be slit off from it ; at what distance from the edge must the line be struck ? Ans . 7 inches . 3 ...
... Diff . 280 square feet . Amount 18 guineas . 2. An elm plank is 14 feet 3 inches long , and it is de- sired , that just a square yard may be slit off from it ; at what distance from the edge must the line be struck ? Ans . 7 inches . 3 ...
Σελίδα 179
... Diff . 41-488 I 16179225 in E + EDB Tan . 69 ° 30 ′ 10 ° 4272623 2 EEDB Tan . 42 243 9 * 9606516 2 Diff . EDB EDB 27 05 ZEDB 27 ° 05 ' 9.6582842 ZB 41 00 9'8169429 BE I'6020600 40 ED 57.623 1.7607187 Add AE 5 AD 62.623 . PROBLEM PROBLEM ...
... Diff . 41-488 I 16179225 in E + EDB Tan . 69 ° 30 ′ 10 ° 4272623 2 EEDB Tan . 42 243 9 * 9606516 2 Diff . EDB EDB 27 05 ZEDB 27 ° 05 ' 9.6582842 ZB 41 00 9'8169429 BE I'6020600 40 ED 57.623 1.7607187 Add AE 5 AD 62.623 . PROBLEM PROBLEM ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
abscisses ADBA altitude angle answer axes axis azimuth base breadth bung diameter cask centre chord circumference cone conjugate cosine course curve declination departure dial diff difference of latitude difference of longitude distance divided draw drawn ecliptic ellipse equal equinoctial EXAMPLES feet figure find the area find the solidity frustum given head diameter height Hence horizon hour angle hour lines hyperbola hypotenuse intersection latit measure meridian middle latitude miles multiply the sum NOTE oblique circle opposite ordinate parabola parallel of latitude parallel sailing parallelogram perpendicular plane sailing pole primitive PROBLEM PROBLEM projection proportion quadrant radius rectangle Required the area Required the content right ascension right line RULE secant segment side sphere spherical triangle spindle square star station stile subtract sun's tance tang tangent THEOREM transverse trapezium triangle ABC ullage wine gallons yards
Δημοφιλή αποσπάσματα
Σελίδα 21 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Σελίδα 17 - To find the other side: — as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference...
Σελίδα 83 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 328 - The conjugate to any diameter is the line drawn through the centre, and parallel to the tangent of the curve at the vertex of the diameter. So...
Σελίδα 28 - But if the hypothenuse be made radius -, then each leg "will represent the sine of its opposite angle ; namely, the leg AB the sine of the arc AE or angle c, and the leg BC the sine of the arc CD or angle A.
Σελίδα 83 - The axis of a solid is a line drawn from the middle of one end to the middle of the opposite end ; as between the opposite ends of a prism.
Σελίδα 83 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Σελίδα 130 - Between these, in a right line, stands an ancient statue, the head whereof is 97 feet from the summit of the higher, and 86 feet from the top of the lower column, and the distance between the...
Σελίδα 205 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 38 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.