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, Volum 2Printed at the University Press, by WilliamHilliard, 1801 |
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Side 170
... star ; and let it be required to find the measure of the angle ABC , which a line , drawn from the object , makes with the hori zontal line BC . F B D E I G Fix the centre of the quadrant in the angular point Fix 870 HEIGHTS AND DISTANCES .
... star ; and let it be required to find the measure of the angle ABC , which a line , drawn from the object , makes with the hori zontal line BC . F B D E I G Fix the centre of the quadrant in the angular point Fix 870 HEIGHTS AND DISTANCES .
Side 170
... star ; and let it be required to find the measure of the angle ABC , which a line , drawn from the object , makes with the hori zontal line BC . B T E D G H Fix the centre of the quadrant in the angular point Fix 170 HEIGHTS AND DISTANCES .
... star ; and let it be required to find the measure of the angle ABC , which a line , drawn from the object , makes with the hori zontal line BC . B T E D G H Fix the centre of the quadrant in the angular point Fix 170 HEIGHTS AND DISTANCES .
Side 557
... a perpen- dicular above it , and the latter in the opposite direction below it . 18. The vertical or azimuth circles are secondaries to the horizon . 19. The 19. The altitude of a star is the arc of DEFINITIONS . 557.
... a perpen- dicular above it , and the latter in the opposite direction below it . 18. The vertical or azimuth circles are secondaries to the horizon . 19. The 19. The altitude of a star is the arc of DEFINITIONS . 557.
Side 558
... star is the arc of a vertical circle , contained between the star and the horizon . nith distance is the complement of the altitude . • And the ze 20. Almacanter is a small circle parallel to the horizon . The sensible horizon is an ...
... star is the arc of a vertical circle , contained between the star and the horizon . nith distance is the complement of the altitude . • And the ze 20. Almacanter is a small circle parallel to the horizon . The sensible horizon is an ...
Side 559
... star . 28. Azimuth of a star is the angle at the zenith , formed by the star's vertical or azimuth circle and the meridian of the place . Or , it is the arc of the horizon , contained be- tween the meridian and the star's vertical ...
... star . 28. Azimuth of a star is the angle at the zenith , formed by the star's vertical or azimuth circle and the meridian of the place . Or , it is the arc of the horizon , contained be- tween the meridian and the star's vertical ...
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Mathematics: Compiled from the Best Authors and Intended to be the Text-book ... Samuel Webber Uten tilgangsbegrensning - 1801 |
Mathematics: Compiled from the Best Authors, and Intended to be the ..., Volum 2 Uten tilgangsbegrensning - 1808 |
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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.
Side 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...
Side 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.
Side 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...
Side 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.
Side 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.
Side 83 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Side 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...
Side 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.
Side 38 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.