Spherical trigonometryJ. Noon, 1736 |
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Αποτελέσματα 1 - 5 από τα 71.
Σελίδα iv
... Hours , but great Refolution and Application of Mind himfelf to the Study of it ; for to arri a good Degree of Perfection , will requir Work and Toil of fome Years . Though it not be in the Power of fome to commence pleat Mafters in the ...
... Hours , but great Refolution and Application of Mind himfelf to the Study of it ; for to arri a good Degree of Perfection , will requir Work and Toil of fome Years . Though it not be in the Power of fome to commence pleat Mafters in the ...
Σελίδα v
... Hour Circles , Azimuths , & c . 24 Prob . 6. To divide the Ecliptic into the twelve Signs of the Zodiac 25 Prob . 7. To annex the Calendar to the Analemma ibid . Prob . 8. To fhew the Ufes of this Projection in general 26 Prob . 9. To ...
... Hour Circles , Azimuths , & c . 24 Prob . 6. To divide the Ecliptic into the twelve Signs of the Zodiac 25 Prob . 7. To annex the Calendar to the Analemma ibid . Prob . 8. To fhew the Ufes of this Projection in general 26 Prob . 9. To ...
Σελίδα viii
... Hours , Minutes , and Seconds . The Problems are as follow - 213 Viz . Prob . 1. To find the Sun's Place at any time by the Tables 221 224 Prob . 2. To find the Latitude of any Place Prob 3. To find the Sun's Greatest Declination 225 ...
... Hours , Minutes , and Seconds . The Problems are as follow - 213 Viz . Prob . 1. To find the Sun's Place at any time by the Tables 221 224 Prob . 2. To find the Latitude of any Place Prob 3. To find the Sun's Greatest Declination 225 ...
Σελίδα ix
Benjamin Martin. Prob . 13. To find the Sun's Azimuth at the Hour of fix Prob . 14. To find his Altitude at the Hour of fix 234 235 Prob . 15. To find the Sun's Altitude at any time of Day 236 Prob . 16. To find the Hour of the Day 240 ...
Benjamin Martin. Prob . 13. To find the Sun's Azimuth at the Hour of fix Prob . 14. To find his Altitude at the Hour of fix 234 235 Prob . 15. To find the Sun's Altitude at any time of Day 236 Prob . 16. To find the Hour of the Day 240 ...
Σελίδα xi
... Art of Dialling ; fhewing the Nature and diverfe Kinds of Planes , and bow Hour - Lines are to be drawn on each of them , by the Problems following , viz . Home 323 Prob , - ibid . 326 327 Prob . 1. To find The Contents of this Book . xi.
... Art of Dialling ; fhewing the Nature and diverfe Kinds of Planes , and bow Hour - Lines are to be drawn on each of them , by the Problems following , viz . Home 323 Prob , - ibid . 326 327 Prob . 1. To find The Contents of this Book . xi.
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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.