Spherical trigonometryJ. Noon, 1736 |
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Αποτελέσματα 1 - 5 από τα 71.
Σελίδα x
... Distance between any two Cities , differing only in Latitude - 286 294 Prob . 2. To find 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 ...
... Distance between any two Cities , differing only in Latitude - 286 294 Prob . 2. To find 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 ...
Σελίδα xi
... 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 pertaining thereto ; with the Globular Chart it felf ...
... 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 pertaining thereto ; with the Globular Chart it felf ...
Σελίδα xii
... Distance Prob . 3. To find the Plane's Declination Prob . 4. To find the Plane's Reclination Prob . 5. To reduce South Direct reclining Planes to the new Latitude wherein they become Horizontal ibid . Prob . 6. To reduce Direct North ...
... Distance Prob . 3. To find the Plane's Declination Prob . 4. To find the Plane's Reclination Prob . 5. To reduce South Direct reclining Planes to the new Latitude wherein they become Horizontal ibid . Prob . 6. To reduce Direct North ...
Σελίδα 2
... 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 that doth . IX . A Great Circle of the Sphere ...
... 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 that doth . IX . A Great Circle of the Sphere ...
Σελίδα 4
... a plain Surface ; and is only a general Name for the Orthographic and Stereographic Projections aforego- ing . XXIII . The ! * XXIII . The Nearest Distance on the Surface of the 4 Principles of the Spherical Doctrine . Chap.
... a plain Surface ; and is only a general Name for the Orthographic and Stereographic Projections aforego- ing . XXIII . The ! * XXIII . The Nearest Distance on the Surface of the 4 Principles of the Spherical Doctrine . Chap.
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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.