Spherical trigonometryJ. Noon, 1736 |
Inni boken
Resultat 1-5 av 52
Side iv
... Measure Heights and Difta to Measure or Plot Land , to Calculate E fes , and make all Sorts of Dials , & c . Things are the most useful , and to mak Means of attaining thefe both eafy and and delightful to fuch as defire to be let the ...
... Measure Heights and Difta to Measure or Plot Land , to Calculate E fes , and make all Sorts of Dials , & c . Things are the most useful , and to mak Means of attaining thefe both eafy and and delightful to fuch as defire to be let the ...
Side vi
... measure any Spherical Angle Prob . 6. To divide any Great Circle into its grees Prob . 7. To draw any 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 ...
... measure any Spherical Angle Prob . 6. To divide any Great Circle into its grees Prob . 7. To draw any 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 ...
Side xi
... measure the Difference of Longitude 5. To measure the Distance failed , on the Rumb , and on the Arch of a great Circle , by a Scale of equal Parts ibid . 6. To measure the Meridian Distance , or Departure . With feveral other Matters ...
... measure the Difference of Longitude 5. To measure the Distance failed , on the Rumb , and on the Arch of a great Circle , by a Scale of equal Parts ibid . 6. To measure the Meridian Distance , or Departure . With feveral other Matters ...
Side 2
... Measures is , that Right Line on which the Distance of the Center of an Oblique Circle is measured off of a Scale of Half Tangents , and this Line always paffeth through the Center of the Projecti- on , or is parallel to the Diameter ...
... Measures is , that Right Line on which the Distance of the Center of an Oblique Circle is measured off of a Scale of Half Tangents , and this Line always paffeth through the Center of the Projecti- on , or is parallel to the Diameter ...
Side 3
... Measure of a Spherical Angle , is the Arch of a Great Circle intercepted between the two Sides thereof , continued out till they be Quadrants , or : VOL . II . В 2 90 De- 90 Degrees diftant from the Angular Point ; thus B Principles of ...
... Measure of a Spherical Angle , is the Arch of a Great Circle intercepted between the two Sides thereof , continued out till they be Quadrants , or : VOL . II . В 2 90 De- 90 Degrees diftant from the Angular Point ; thus B Principles of ...
Innhold
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Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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...
Side 185 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Side 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.
Side 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.
Side 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.
Side 241 - It commences in the morning and ends in the evening, when the sun is 18° below the horizon.
Side 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.
Side 365 - Dialogue, adapted purpofely to the Capacities of the Youth of both Sexes ; and adorned and illuftrated with variety of Copper- Plates.
Side 75 - Side *»» is the Supplement of the Angle H, and the Angle E of the Side G D.
Side 205 - Superficies to M ; And, as two right Angles are to F, So is half the fpherical Superficies to K.