Spherical trigonometryJ. Noon, 1736 |
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Página 19
... the Tranfverfe and Conjugate Diameters gi- ven . VOL . II . D 2 Practice . 160 . 130 20 10 Pradlice . 와 C E Problems of the Orthog . Projection . 19 Containeth Problems of the Orthographic Projection, To defcribe an Ellipfis.
... the Tranfverfe and Conjugate Diameters gi- ven . VOL . II . D 2 Practice . 160 . 130 20 10 Pradlice . 와 C E Problems of the Orthog . Projection . 19 Containeth Problems of the Orthographic Projection, To defcribe an Ellipfis.
Página 20
... Practice Practice . EG B Let the Right Circle projected be Problems of the Orthog . Projection . To divide a Right Circle into its proper Degrees.
... Practice Practice . EG B Let the Right Circle projected be Problems of the Orthog . Projection . To divide a Right Circle into its proper Degrees.
Página 21
Benjamin Martin. Practice . EG B Let the Right Circle projected be AB , and let it be required to lay off the Quan ... Practice Degrees from B to F ; Problems of the Orthog . Projection . 21 To divide an Oblique Circle into its proper ...
Benjamin Martin. Practice . EG B Let the Right Circle projected be AB , and let it be required to lay off the Quan ... Practice Degrees from B to F ; Problems of the Orthog . Projection . 21 To divide an Oblique Circle into its proper ...
Página 22
Benjamin Martin. K G H Practice Degrees from B to F ; Draw the Line FK parallel to BE , Let the given Oblique Circle be ... Practice . Firft defcribe the Solftitial Co- lure A EP 2 ; 22 Problems of the Orthog . Projection . To project the ...
Benjamin Martin. K G H Practice Degrees from B to F ; Draw the Line FK parallel to BE , Let the given Oblique Circle be ... Practice . Firft defcribe the Solftitial Co- lure A EP 2 ; 22 Problems of the Orthog . Projection . To project the ...
Página 23
... Practice . H R B Set off 23 ° 30 ' from E to C , and draw the Ecliptic C L : At right Angles to the Horizon HO , draw the Azimuth of Eaft and Weft Z N : At right Angles to the Equator E 2 , draw the Equinoctial Colure or Axis of the ...
... Practice . H R B Set off 23 ° 30 ' from E to C , and draw the Ecliptic C L : At right Angles to the Horizon HO , draw the Azimuth of Eaft and Weft Z N : At right Angles to the Equator E 2 , draw the Equinoctial Colure or Axis of the ...
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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.