Spherical trigonometryJ. Noon, 1736 |
Dentro del libro
Resultados 1-5 de 76
Página vi
... parallel Circle 45 46 proper De- 48 - 49 Prob . 8. To draw a Great Circle perpendicular to any other Prob . 9. To graduate any leffer Oblique Circle Chap . VI . 51 52 53 55 The Stereographic Projection of the Sphere on the Planes of ...
... parallel Circle 45 46 proper De- 48 - 49 Prob . 8. To draw a Great Circle perpendicular to any other Prob . 9. To graduate any leffer Oblique Circle Chap . VI . 51 52 53 55 The Stereographic Projection of the Sphere on the Planes of ...
Página x
... the Distance of two Places under the Equator 295 Prob . 3. To find the Distance and Bearing of two Places on the fame Parallel of Latitude ibid . Prob . 1 # Prob . 4. To find the Distance and Bearing of X The Contents of this Book .
... the Distance of two Places under the Equator 295 Prob . 3. To find the Distance and Bearing of two Places on the fame Parallel of Latitude ibid . Prob . 1 # Prob . 4. To find the Distance and Bearing of X The Contents of this Book .
Página xi
... Parallels 2. How to defcribe the Meridians 3. How to defcribe the Rumbs 315 316 ibid . 318 And with refpect to its Ufe in Sailing , there is taught How to defcribe a Rumb required thefe Things , - 321 ibid . from a given Point 4. To ...
... Parallels 2. How to defcribe the Meridians 3. How to defcribe the Rumbs 315 316 ibid . 318 And with refpect to its Ufe in Sailing , there is taught How to defcribe a Rumb required thefe Things , - 321 ibid . from a given Point 4. To ...
Página 2
... Parallel ; and project the Circles either in Circles , EHipfes , or Right Lines , on the faid Plane . See the Schemes in the Orthographic Projection . V. The Stereographic Projection is a Delineation or Representation of the Circles of ...
... Parallel ; and project the Circles either in Circles , EHipfes , or Right Lines , on the faid Plane . See the Schemes in the Orthographic Projection . V. The Stereographic Projection is a Delineation or Representation of the Circles of ...
Página 3
... Parallel Circles are thofe Leffer Circles of the Sphere , whofe Planes are parallel to the Planes of any Great Circles thereof ; thus OVS is a small Circle pa rallel to the Great Circle RH . XV . A Spherical Angle is that which is ...
... Parallel Circles are thofe Leffer Circles of the Sphere , whofe Planes are parallel to the Planes of any Great Circles thereof ; thus OVS is a small Circle pa rallel to the Great Circle RH . XV . A Spherical Angle is that which is ...
Contenido
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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.