An introduction to the theory ... of plane and spherical trigonometry ... including the theory of navigation1839 |
Inni boken
Resultat 1-5 av 32
Side xxiii
... parallax of the celestial bodies Of the admeasurement of altitudes by the barometer and thermometer OF THE SIGNS OF TRIGONOMETRICAL QUANTITIES , ETC. • 94 • 95 36 • 96 · 98 General properties of sines , tangents , chords , & c . of ...
... parallax of the celestial bodies Of the admeasurement of altitudes by the barometer and thermometer OF THE SIGNS OF TRIGONOMETRICAL QUANTITIES , ETC. • 94 • 95 36 • 96 · 98 General properties of sines , tangents , chords , & c . of ...
Side xxv
... parallax · Page 273 of the moon , as given in the Nautical Almanac , to any other meridian , and to any given time of the day 272 7. To reduce the moon's right ascension and declination as given in the Nautical Almanac to any other me ...
... parallax · Page 273 of the moon , as given in the Nautical Almanac , to any other meridian , and to any given time of the day 272 7. To reduce the moon's right ascension and declination as given in the Nautical Almanac to any other me ...
Side xxvi
... parallax , to find the apparent time of his centre ap- pearing in the eastern or western part of the horizon 302 9. Given the latitude of the place , the day of the month , the moon's horizontal parallax and refraction , to find the ...
... parallax , to find the apparent time of his centre ap- pearing in the eastern or western part of the horizon 302 9. Given the latitude of the place , the day of the month , the moon's horizontal parallax and refraction , to find the ...
Side xxvii
... parallax , to find its parallax in latitude and longitude • 12. To determine the correction for finding the time of apparent noon , from equal altitudes of the sun • 358 359 13. The error in taking the altitude of a star being given ...
... parallax , to find its parallax in latitude and longitude • 12. To determine the correction for finding the time of apparent noon , from equal altitudes of the sun • 358 359 13. The error in taking the altitude of a star being given ...
Side xxviii
... PARALLAX in altitude VII . A Table of the augmentation of the moon's semi- diameter + • VIII . A Table of the right ascensions and declinations of forty principal fixed stars , corrected to the be- ginning of the year 1840 . Five copper ...
... PARALLAX in altitude VII . A Table of the augmentation of the moon's semi- diameter + • VIII . A Table of the right ascensions and declinations of forty principal fixed stars , corrected to the be- ginning of the year 1840 . Five copper ...
Vanlige uttrykk og setninger
acute altitude angle CAB arc BF base centre complement construction cosec cosine cotangent degrees diff difference of latitude distance division draw ecliptic equator Euclid extent will reach find the angle formulæ given angle given side greater Greenwich half the sum Hence horizon hypoth less line of numbers line of sines logarithm logarithmic sine mean arc measure meridian moon's natural number Nautical Almanac observed obtuse opposite angles parallax parallel perpendicular plane sailing Plate pole primitive PROPOSITION quadrant rad2 radius rhumb line right angles right ascension right-angled plane triangle right-angled spherical triangle right-angled triangle RULE scale of chords scale of equal SCHOLIUM secant semi-tangents side AC side opposite sin² sphere spherical angle spherical triangle ABC spherical trigonometry straight line subtract supplement Tang tangent of half three angles three sides Trigonometry versed sine
Populære avsnitt
Side 109 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Side 141 - Consequently, a line drawn from the vertex of an isosceles triangle to the middle of the base, bisects the vertical angle, and is perpendicular to the base.
Side 33 - An angle at the circumference of a circle is measured by half the arc that subtends it. Let BAC be an angle at the circumference : it has for its measure half the arc "BC, which subtends it.
Side 29 - The sine, or right sine, of an arc, is the line drawn from one extremity of the arc, perpendicular to the diameter passing through the other extremity. Thus, BF is the sine of the arc AB, or of the arc BDE.
Side 258 - The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars.
Side 116 - C = sin. A sin. B sin. C; dividing both sides of this equation by cos. A cos. B cos. C, we have sin. A sin. B sin. C _ sin.
Side 362 - Now it is plain, that if any great circle of the sphere (as 1, 2, 3.) be divided into any number of equal parts, and through the points of division...
Side 23 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Side 330 - Method of correcting the apparent distance of the Moon from the Sun, or a Star, for the effects of Parallax and Refraction.