Spherical trigonometryJ. Noon, 1736 |
Dentro del libro
Resultados 1-5 de 65
Página viii
... Declination 225 Prob . 4. To find the Sun's Prefent Declination 226 Prob . 5. To find the Sun's Right Afcenfion 227 Prob . 6. To find the Sun's Place , and Right Afcen- fion otherwise ibid . Prob . 7. To find the Angle of the Sun's ...
... Declination 225 Prob . 4. To find the Sun's Prefent Declination 226 Prob . 5. To find the Sun's Right Afcenfion 227 Prob . 6. To find the Sun's Place , and Right Afcen- fion otherwise ibid . Prob . 7. To find the Angle of the Sun's ...
Página ix
... Declination of a Star or Planet Prob . 21. To find its Right Afcenfion 248 - 251 Prob . 22. To find its Longitude and Latitude 252 Prob . 23. To find the Hour of the Night 254 Prob . 24. To find the Culminating Point in the Ecliptic ...
... Declination of a Star or Planet Prob . 21. To find its Right Afcenfion 248 - 251 Prob . 22. To find its Longitude and Latitude 252 Prob . 23. To find the Hour of the Night 254 Prob . 24. To find the Culminating Point in the Ecliptic ...
Página xii
... Declination 331 Prob . 8. To reduce North Declining Reclining Planes to a new Latitude and Declination Prob . 9. To find the new Latitude and Declination , for Direct East and West Reclining Planes - 334 335 Prob . 10. To difcover which ...
... Declination 331 Prob . 8. To reduce North Declining Reclining Planes to a new Latitude and Declination Prob . 9. To find the new Latitude and Declination , for Direct East and West Reclining Planes - 334 335 Prob . 10. To difcover which ...
Página 7
... Declination from the Equinoctial . The Northern Tropic paffeth by the beginning of Cancer , and therefore called the Tropic of Cancer , and is the Pa- rallel of the Longest Day ; as R. For the fame Reason the other is called the Tropic ...
... Declination from the Equinoctial . The Northern Tropic paffeth by the beginning of Cancer , and therefore called the Tropic of Cancer , and is the Pa- rallel of the Longest Day ; as R. For the fame Reason the other is called the Tropic ...
Página 8
... Declination of the Sun , Moon , or Stars , is the fame as the Latitude of Places ; being only their Distance North or South from the Equinoctial , in Degrees and Minutes . XLIII . The Poles of the Ecliptic are two Points 23 ° 29 ...
... Declination of the Sun , Moon , or Stars , is the fame as the Latitude of Places ; being only their Distance North or South from the Equinoctial , in Degrees and Minutes . XLIII . The Poles of the Ecliptic are two Points 23 ° 29 ...
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Términos y frases comunes
adjacent Angle alfo Altitude Analemma Analogy Arch Azimuth Bafe Baſe becauſe BIFH Cafe Center Chords Circles of Latitude Co-fine Co-tangent Colure Complement confequently Cufp Declination defcribe Degrees Demonftration Dial Diameter Diſtance draw E. D. THEOREM Eaft Ecliptic equal Equinoctial faid fame fhall fhew find the Angle find the Hypothenufe find the Leg find the Side firft firſt folving fuch fuppofe given the Side Globe greateſt half Sum Half-Tangent Horizon Hour-Lines Houſes Interfection laft Latitude leffer lefs Longitude meaſured Meridian muſt North Numbers Oblique Circle oppofite paffeth Parallel Perpendicular Plane recline Pofition Point Pole Prime Vertical Prob PROBLEM Projection Quadrant Radius Reclining Plane Right Afcenfion Right Line Right-angled Spherical Triangles Scheme Semicircle Sine Sine of half Sphere Spherical Angle Spherical Trigonometry Sun's Tangent of half thefe theſe thofe thoſe Tropic of Capricorn Weft Wherefore whofe
Pasajes populares
Página 75 - The three angles of a spherical triangle are together greater than two right angles and less than six right angles. Let A, B, C be the angles of a spherical triangle ; let a', b', o' be the sides of the polar triangle. Then by Art. 30, a...
Página 185 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 186 - The cosine of half the sum of two sides of a spherical triangle is to the cosine of half their difference as the cotangent of half the included angle is to the tangent of half the sum of the other two angles.
Página 186 - The cosine of half the sum of two angles of a spherical triangle is to the cosine of half their difference as the tangent of half the included side is to the tangent of half the sum of the other two sides.
Página 186 - The sine of half the sum of two angles of a spherical triangle is 'to the sine of half their difference as the tangent of half the included side is to the tangent of half the difference of the other two sides.
Página 241 - It commences in the morning and ends in the evening, when the sun is 18° below the horizon.
Página 5 - Equinoctial (counted from the beginning of Aries) which cometh to the Meridian with the Sun or Stars, or with any portion of the Eclyptick.
Página 365 - Dialogue, adapted purpofely to the Capacities of the Youth of both Sexes ; and adorned and illuftrated with variety of Copper- Plates.
Página 75 - Side *»» is the Supplement of the Angle H, and the Angle E of the Side G D.
Página 205 - Superficies to M ; And, as two right Angles are to F, So is half the fpherical Superficies to K.