Spherical trigonometryJ. Noon, 1736 |
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Αποτελέσματα 1 - 5 από τα 24.
Σελίδα xii
... Direct reclining Planes to the new Latitude wherein they become Horizontal ibid . Prob . 6. To reduce Direct North Recliners to the new Latitude 329 Prob . 7. To reduce South Declining Reclining Planes to a new Latitude and Declination ...
... Direct reclining Planes to the new Latitude wherein they become Horizontal ibid . Prob . 6. To reduce Direct North Recliners to the new Latitude 329 Prob . 7. To reduce South Declining Reclining Planes to a new Latitude and Declination ...
Σελίδα 112
... direct , and by the Golden Rule , you find the Natural Sine or Tangent of the Arch re- quired ; which being fought in the Table , will there fhew the Degrees and Minutes contained in the faid Arch . I fhall give Examples of the fix ...
... direct , and by the Golden Rule , you find the Natural Sine or Tangent of the Arch re- quired ; which being fought in the Table , will there fhew the Degrees and Minutes contained in the faid Arch . I fhall give Examples of the fix ...
Σελίδα 137
... Cafe , is much the better way , and more direct and ingenious , than that before by two Operations , VOL II .. T CHAP . CHA P. XIV . The fixth Method of folving Right Spherical Triangles by the Sliding - rule . 137 Chap XIV.
... Cafe , is much the better way , and more direct and ingenious , than that before by two Operations , VOL II .. T CHAP . CHA P. XIV . The fixth Method of folving Right Spherical Triangles by the Sliding - rule . 137 Chap XIV.
Σελίδα 315
... direct Relation to Trigonometry , as all the other Parts of Naviga- tion have . I am the more willing to do this , becaufe ' tis rec- koned as a very celebrated modern Improvement of this Art , and is not to be found in any Mathematical ...
... direct Relation to Trigonometry , as all the other Parts of Naviga- tion have . I am the more willing to do this , becaufe ' tis rec- koned as a very celebrated modern Improvement of this Art , and is not to be found in any Mathematical ...
Σελίδα 323
... Direct , or those which directly behold the East , Weft , North , and South Points of the Horizon . 2. Declining , or those which , declining from those four Cardinal Points , do behold fome intermedi- ate Point between them . VOL . II ...
... Direct , or those which directly behold the East , Weft , North , and South Points of the Horizon . 2. Declining , or those which , declining from those four Cardinal Points , do behold fome intermedi- ate Point between them . VOL . II ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 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...
Σελίδα 185 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 241 - It commences in the morning and ends in the evening, when the sun is 18° below the horizon.
Σελίδα 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.
Σελίδα 365 - Dialogue, adapted purpofely to the Capacities of the Youth of both Sexes ; and adorned and illuftrated with variety of Copper- Plates.
Σελίδα 75 - Side *»» is the Supplement of the Angle H, and the Angle E of the Side G D.
Σελίδα 205 - Superficies to M ; And, as two right Angles are to F, So is half the fpherical Superficies to K.